Home / 5,390,231.20-8,086,513.20-1,604,096.80

Finding the Fourth Proportional to 5,390,231.20, 8,086,513.20 and 1,604,096.80

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Solution

The fourth proportional to 5,390,231.20, 8,086,513.20 and 1,604,096.80 is: 2,406,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,231.20 : 8,086,513.20 = 1,604,096.80 : x
  2. Step 2: Convert to fraction form
    5,390,231.20/8,086,513.20 = 1,604,096.80/x
  3. Step 3: Cross multiply
    5,390,231.20x = 8,086,513.20 × 1,604,096.80
  4. Step 4: Simplify right side
    5,390,231.20x = 12,971,549,947,277.76
  5. Step 5: Solve for x
    x = 12,971,549,947,277.76/5,390,231.20
  6. Step 6: Final answer
    x = 2,406,492.31

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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.