Home / 1,949,143.71-2,923,916.06-735,742.40

Finding the Fourth Proportional to 1,949,143.71, 2,923,916.06 and 735,742.40

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Solution

The fourth proportional to 1,949,143.71, 2,923,916.06 and 735,742.40 is: 1,103,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,143.71 : 2,923,916.06 = 735,742.40 : x
  2. Step 2: Convert to fraction form
    1,949,143.71/2,923,916.06 = 735,742.40/x
  3. Step 3: Cross multiply
    1,949,143.71x = 2,923,916.06 × 735,742.40
  4. Step 4: Simplify right side
    1,949,143.71x = 2,151,249,023,049.75
  5. Step 5: Solve for x
    x = 2,151,249,023,049.75/1,949,143.71
  6. Step 6: Final answer
    x = 1,103,689.29

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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.