Home / 2,457,390.20-3,391,214.24-1,369,730.76

Finding the Fourth Proportional to 2,457,390.20, 3,391,214.24 and 1,369,730.76

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Solution

The fourth proportional to 2,457,390.20, 3,391,214.24 and 1,369,730.76 is: 1,890,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,390.20 : 3,391,214.24 = 1,369,730.76 : x
  2. Step 2: Convert to fraction form
    2,457,390.20/3,391,214.24 = 1,369,730.76/x
  3. Step 3: Cross multiply
    2,457,390.20x = 3,391,214.24 × 1,369,730.76
  4. Step 4: Simplify right side
    2,457,390.20x = 4,645,050,448,985.30
  5. Step 5: Solve for x
    x = 4,645,050,448,985.30/2,457,390.20
  6. Step 6: Final answer
    x = 1,890,237.23

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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.