Home / 1,787,429.70-2,681,144.55-1,656,209.70

Finding the Fourth Proportional to 1,787,429.70, 2,681,144.55 and 1,656,209.70

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Solution

The fourth proportional to 1,787,429.70, 2,681,144.55 and 1,656,209.70 is: 2,484,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,429.70 : 2,681,144.55 = 1,656,209.70 : x
  2. Step 2: Convert to fraction form
    1,787,429.70/2,681,144.55 = 1,656,209.70/x
  3. Step 3: Cross multiply
    1,787,429.70x = 2,681,144.55 × 1,656,209.70
  4. Step 4: Simplify right side
    1,787,429.70x = 4,440,537,610,812.14
  5. Step 5: Solve for x
    x = 4,440,537,610,812.14/1,787,429.70
  6. Step 6: Final answer
    x = 2,484,314.55

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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.