Home / 6,538,069.74-9,018,779.11-4,086,426

Finding the Fourth Proportional to 6,538,069.74, 9,018,779.11 and 4,086,426

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Solution

The fourth proportional to 6,538,069.74, 9,018,779.11 and 4,086,426 is: 5,636,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538,069.74 : 9,018,779.11 = 4,086,426 : x
  2. Step 2: Convert to fraction form
    6,538,069.74/9,018,779.11 = 4,086,426/x
  3. Step 3: Cross multiply
    6,538,069.74x = 9,018,779.11 × 4,086,426
  4. Step 4: Simplify right side
    6,538,069.74x = 36,854,573,443,360.86
  5. Step 5: Solve for x
    x = 36,854,573,443,360.86/6,538,069.74
  6. Step 6: Final answer
    x = 5,636,919.60

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1.5x scale

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.