Home / 6,440,278.82-8,887,604.18-3,539,966.90

Finding the Fourth Proportional to 6,440,278.82, 8,887,604.18 and 3,539,966.90

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Solution

The fourth proportional to 6,440,278.82, 8,887,604.18 and 3,539,966.90 is: 4,885,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,278.82 : 8,887,604.18 = 3,539,966.90 : x
  2. Step 2: Convert to fraction form
    6,440,278.82/8,887,604.18 = 3,539,966.90/x
  3. Step 3: Cross multiply
    6,440,278.82x = 8,887,604.18 × 3,539,966.90
  4. Step 4: Simplify right side
    6,440,278.82x = 31,461,824,555,363.79
  5. Step 5: Solve for x
    x = 31,461,824,555,363.79/6,440,278.82
  6. Step 6: Final answer
    x = 4,885,164.98

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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.