Home / 2,578,698.40-3,866,712.68-1,157,530.72

Finding the Fourth Proportional to 2,578,698.40, 3,866,712.68 and 1,157,530.72

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Solution

The fourth proportional to 2,578,698.40, 3,866,712.68 and 1,157,530.72 is: 1,735,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,698.40 : 3,866,712.68 = 1,157,530.72 : x
  2. Step 2: Convert to fraction form
    2,578,698.40/3,866,712.68 = 1,157,530.72/x
  3. Step 3: Cross multiply
    2,578,698.40x = 3,866,712.68 × 1,157,530.72
  4. Step 4: Simplify right side
    2,578,698.40x = 4,475,838,712,513.53
  5. Step 5: Solve for x
    x = 4,475,838,712,513.53/2,578,698.40
  6. Step 6: Final answer
    x = 1,735,696.86

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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.