Home / 1,955,411.10-2,931,367.05-1,281,815.10

Finding the Fourth Proportional to 1,955,411.10, 2,931,367.05 and 1,281,815.10

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Solution

The fourth proportional to 1,955,411.10, 2,931,367.05 and 1,281,815.10 is: 1,921,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,411.10 : 2,931,367.05 = 1,281,815.10 : x
  2. Step 2: Convert to fraction form
    1,955,411.10/2,931,367.05 = 1,281,815.10/x
  3. Step 3: Cross multiply
    1,955,411.10x = 2,931,367.05 × 1,281,815.10
  4. Step 4: Simplify right side
    1,955,411.10x = 3,757,470,548,332.46
  5. Step 5: Solve for x
    x = 3,757,470,548,332.46/1,955,411.10
  6. Step 6: Final answer
    x = 1,921,575.75

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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.