Home / 6,461,876.01-8,918,712.15-3,849,910.21

Finding the Fourth Proportional to 6,461,876.01, 8,918,712.15 and 3,849,910.21

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Solution

The fourth proportional to 6,461,876.01, 8,918,712.15 and 3,849,910.21 is: 5,313,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,876.01 : 8,918,712.15 = 3,849,910.21 : x
  2. Step 2: Convert to fraction form
    6,461,876.01/8,918,712.15 = 3,849,910.21/x
  3. Step 3: Cross multiply
    6,461,876.01x = 8,918,712.15 × 3,849,910.21
  4. Step 4: Simplify right side
    6,461,876.01x = 34,336,240,921,742.49
  5. Step 5: Solve for x
    x = 34,336,240,921,742.49/6,461,876.01
  6. Step 6: Final answer
    x = 5,313,664.46

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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.