Home / 5,390,475.40-8,085,842.70-1,604,081.80

Finding the Fourth Proportional to 5,390,475.40, 8,085,842.70 and 1,604,081.80

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Solution

The fourth proportional to 5,390,475.40, 8,085,842.70 and 1,604,081.80 is: 2,406,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,475.40 : 8,085,842.70 = 1,604,081.80 : x
  2. Step 2: Convert to fraction form
    5,390,475.40/8,085,842.70 = 1,604,081.80/x
  3. Step 3: Cross multiply
    5,390,475.40x = 8,085,842.70 × 1,604,081.80
  4. Step 4: Simplify right side
    5,390,475.40x = 12,970,353,112,732.86
  5. Step 5: Solve for x
    x = 12,970,353,112,732.86/5,390,475.40
  6. Step 6: Final answer
    x = 2,406,161.27

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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.