Home / 6,440,280.82-8,887,606.94-3,539,968.90

Finding the Fourth Proportional to 6,440,280.82, 8,887,606.94 and 3,539,968.90

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Solution

The fourth proportional to 6,440,280.82, 8,887,606.94 and 3,539,968.90 is: 4,885,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,280.82 : 8,887,606.94 = 3,539,968.90 : x
  2. Step 2: Convert to fraction form
    6,440,280.82/8,887,606.94 = 3,539,968.90/x
  3. Step 3: Cross multiply
    6,440,280.82x = 8,887,606.94 × 3,539,968.90
  4. Step 4: Simplify right side
    6,440,280.82x = 31,461,852,163,024.16
  5. Step 5: Solve for x
    x = 31,461,852,163,024.16/6,440,280.82
  6. Step 6: Final answer
    x = 4,885,167.75

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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.