Home / 5,355,630.90-7,388,037.81-3,419,856.18

Finding the Fourth Proportional to 5,355,630.90, 7,388,037.81 and 3,419,856.18

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Solution

The fourth proportional to 5,355,630.90, 7,388,037.81 and 3,419,856.18 is: 4,717,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,630.90 : 7,388,037.81 = 3,419,856.18 : x
  2. Step 2: Convert to fraction form
    5,355,630.90/7,388,037.81 = 3,419,856.18/x
  3. Step 3: Cross multiply
    5,355,630.90x = 7,388,037.81 × 3,419,856.18
  4. Step 4: Simplify right side
    5,355,630.90x = 25,266,026,762,602.16
  5. Step 5: Solve for x
    x = 25,266,026,762,602.16/5,355,630.90
  6. Step 6: Final answer
    x = 4,717,656.47

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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.