Home / 4,262,331.24-6,389,031.30-1,985,978.68

Finding the Fourth Proportional to 4,262,331.24, 6,389,031.30 and 1,985,978.68

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Solution

The fourth proportional to 4,262,331.24, 6,389,031.30 and 1,985,978.68 is: 2,976,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262,331.24 : 6,389,031.30 = 1,985,978.68 : x
  2. Step 2: Convert to fraction form
    4,262,331.24/6,389,031.30 = 1,985,978.68/x
  3. Step 3: Cross multiply
    4,262,331.24x = 6,389,031.30 × 1,985,978.68
  4. Step 4: Simplify right side
    4,262,331.24x = 12,688,479,947,652.68
  5. Step 5: Solve for x
    x = 12,688,479,947,652.68/4,262,331.24
  6. Step 6: Final answer
    x = 2,976,887.35

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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.