Home / 5,217,349.69-7,818,043.19-2,788,848.39

Finding the Fourth Proportional to 5,217,349.69, 7,818,043.19 and 2,788,848.39

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Solution

The fourth proportional to 5,217,349.69, 7,818,043.19 and 2,788,848.39 is: 4,179,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,349.69 : 7,818,043.19 = 2,788,848.39 : x
  2. Step 2: Convert to fraction form
    5,217,349.69/7,818,043.19 = 2,788,848.39/x
  3. Step 3: Cross multiply
    5,217,349.69x = 7,818,043.19 × 2,788,848.39
  4. Step 4: Simplify right side
    5,217,349.69x = 21,803,337,163,381.96
  5. Step 5: Solve for x
    x = 21,803,337,163,381.96/5,217,349.69
  6. Step 6: Final answer
    x = 4,179,006.29

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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.