Home / 3,406,478.72-4,700,782.38-1,955,152.64

Finding the Fourth Proportional to 3,406,478.72, 4,700,782.38 and 1,955,152.64

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Solution

The fourth proportional to 3,406,478.72, 4,700,782.38 and 1,955,152.64 is: 2,698,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,478.72 : 4,700,782.38 = 1,955,152.64 : x
  2. Step 2: Convert to fraction form
    3,406,478.72/4,700,782.38 = 1,955,152.64/x
  3. Step 3: Cross multiply
    3,406,478.72x = 4,700,782.38 × 1,955,152.64
  4. Step 4: Simplify right side
    3,406,478.72x = 9,190,747,080,322.48
  5. Step 5: Solve for x
    x = 9,190,747,080,322.48/3,406,478.72
  6. Step 6: Final answer
    x = 2,698,019.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.