Home / 2,872,555.70-3,964,125.90-1,583,417.62

Finding the Fourth Proportional to 2,872,555.70, 3,964,125.90 and 1,583,417.62

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Solution

The fourth proportional to 2,872,555.70, 3,964,125.90 and 1,583,417.62 is: 2,185,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,555.70 : 3,964,125.90 = 1,583,417.62 : x
  2. Step 2: Convert to fraction form
    2,872,555.70/3,964,125.90 = 1,583,417.62/x
  3. Step 3: Cross multiply
    2,872,555.70x = 3,964,125.90 × 1,583,417.62
  4. Step 4: Simplify right side
    2,872,555.70x = 6,276,866,782,099.76
  5. Step 5: Solve for x
    x = 6,276,866,782,099.76/2,872,555.70
  6. Step 6: Final answer
    x = 2,185,115.78

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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.