Home / 3,173,301.28-4,378,715.20-1,866,612.64

Finding the Fourth Proportional to 3,173,301.28, 4,378,715.20 and 1,866,612.64

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Solution

The fourth proportional to 3,173,301.28, 4,378,715.20 and 1,866,612.64 is: 2,575,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,301.28 : 4,378,715.20 = 1,866,612.64 : x
  2. Step 2: Convert to fraction form
    3,173,301.28/4,378,715.20 = 1,866,612.64/x
  3. Step 3: Cross multiply
    3,173,301.28x = 4,378,715.20 × 1,866,612.64
  4. Step 4: Simplify right side
    3,173,301.28x = 8,173,365,139,280.13
  5. Step 5: Solve for x
    x = 8,173,365,139,280.13/3,173,301.28
  6. Step 6: Final answer
    x = 2,575,666.29

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