Home / 5,390,188.60-8,085,282.90-2,193,669.40

Finding the Fourth Proportional to 5,390,188.60, 8,085,282.90 and 2,193,669.40

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Solution

The fourth proportional to 5,390,188.60, 8,085,282.90 and 2,193,669.40 is: 3,290,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,188.60 : 8,085,282.90 = 2,193,669.40 : x
  2. Step 2: Convert to fraction form
    5,390,188.60/8,085,282.90 = 2,193,669.40/x
  3. Step 3: Cross multiply
    5,390,188.60x = 8,085,282.90 × 2,193,669.40
  4. Step 4: Simplify right side
    5,390,188.60x = 17,736,437,688,073.26
  5. Step 5: Solve for x
    x = 17,736,437,688,073.26/5,390,188.60
  6. Step 6: Final answer
    x = 3,290,504.10

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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.