Home / 4,985,217.48-7,479,087.12-1,390,982.88

Finding the Fourth Proportional to 4,985,217.48, 7,479,087.12 and 1,390,982.88

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Solution

The fourth proportional to 4,985,217.48, 7,479,087.12 and 1,390,982.88 is: 2,086,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,217.48 : 7,479,087.12 = 1,390,982.88 : x
  2. Step 2: Convert to fraction form
    4,985,217.48/7,479,087.12 = 1,390,982.88/x
  3. Step 3: Cross multiply
    4,985,217.48x = 7,479,087.12 × 1,390,982.88
  4. Step 4: Simplify right side
    4,985,217.48x = 10,403,282,141,948.51
  5. Step 5: Solve for x
    x = 10,403,282,141,948.51/4,985,217.48
  6. Step 6: Final answer
    x = 2,086,826.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.