Home / 3,121,309.64-4,681,964.48-877,447.64

Finding the Fourth Proportional to 3,121,309.64, 4,681,964.48 and 877,447.64

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Solution

The fourth proportional to 3,121,309.64, 4,681,964.48 and 877,447.64 is: 1,316,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,309.64 : 4,681,964.48 = 877,447.64 : x
  2. Step 2: Convert to fraction form
    3,121,309.64/4,681,964.48 = 877,447.64/x
  3. Step 3: Cross multiply
    3,121,309.64x = 4,681,964.48 × 877,447.64
  4. Step 4: Simplify right side
    3,121,309.64x = 4,108,178,683,539.83
  5. Step 5: Solve for x
    x = 4,108,178,683,539.83/3,121,309.64
  6. Step 6: Final answer
    x = 1,316,171.47

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.