Home / 2,761,419.30-4,142,368.15-842,762.16

Finding the Fourth Proportional to 2,761,419.30, 4,142,368.15 and 842,762.16

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Solution

The fourth proportional to 2,761,419.30, 4,142,368.15 and 842,762.16 is: 1,264,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,419.30 : 4,142,368.15 = 842,762.16 : x
  2. Step 2: Convert to fraction form
    2,761,419.30/4,142,368.15 = 842,762.16/x
  3. Step 3: Cross multiply
    2,761,419.30x = 4,142,368.15 × 842,762.16
  4. Step 4: Simplify right side
    2,761,419.30x = 3,491,031,129,609.20
  5. Step 5: Solve for x
    x = 3,491,031,129,609.20/2,761,419.30
  6. Step 6: Final answer
    x = 1,264,216.24

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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.