Home / 6,440,372.40-8,887,721.08-3,539,762.48

Finding the Fourth Proportional to 6,440,372.40, 8,887,721.08 and 3,539,762.48

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Solution

The fourth proportional to 6,440,372.40, 8,887,721.08 and 3,539,762.48 is: 4,884,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,372.40 : 8,887,721.08 = 3,539,762.48 : x
  2. Step 2: Convert to fraction form
    6,440,372.40/8,887,721.08 = 3,539,762.48/x
  3. Step 3: Cross multiply
    6,440,372.40x = 8,887,721.08 × 3,539,762.48
  4. Step 4: Simplify right side
    6,440,372.40x = 31,460,421,611,689.08
  5. Step 5: Solve for x
    x = 31,460,421,611,689.08/6,440,372.40
  6. Step 6: Final answer
    x = 4,884,876.16

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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.