Home / 5,430,890.20-8,147,428.80-1,592,705.20

Finding the Fourth Proportional to 5,430,890.20, 8,147,428.80 and 1,592,705.20

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Solution

The fourth proportional to 5,430,890.20, 8,147,428.80 and 1,592,705.20 is: 2,389,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,890.20 : 8,147,428.80 = 1,592,705.20 : x
  2. Step 2: Convert to fraction form
    5,430,890.20/8,147,428.80 = 1,592,705.20/x
  3. Step 3: Cross multiply
    5,430,890.20x = 8,147,428.80 × 1,592,705.20
  4. Step 4: Simplify right side
    5,430,890.20x = 12,976,452,216,389.76
  5. Step 5: Solve for x
    x = 12,976,452,216,389.76/5,430,890.20
  6. Step 6: Final answer
    x = 2,389,378.49

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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.