Home / 3,121,210.50-4,681,815.76-877,348.50

Finding the Fourth Proportional to 3,121,210.50, 4,681,815.76 and 877,348.50

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Solution

The fourth proportional to 3,121,210.50, 4,681,815.76 and 877,348.50 is: 1,316,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,210.50 : 4,681,815.76 = 877,348.50 : x
  2. Step 2: Convert to fraction form
    3,121,210.50/4,681,815.76 = 877,348.50/x
  3. Step 3: Cross multiply
    3,121,210.50x = 4,681,815.76 × 877,348.50
  4. Step 4: Simplify right side
    3,121,210.50x = 4,107,584,035,409.05
  5. Step 5: Solve for x
    x = 4,107,584,035,409.05/3,121,210.50
  6. Step 6: Final answer
    x = 1,316,022.75

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Similar ratio
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1.5x scale

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.