Home / 5,427,023.40-8,140,535.10-1,640,014.20

Finding the Fourth Proportional to 5,427,023.40, 8,140,535.10 and 1,640,014.20

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Solution

The fourth proportional to 5,427,023.40, 8,140,535.10 and 1,640,014.20 is: 2,460,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,023.40 : 8,140,535.10 = 1,640,014.20 : x
  2. Step 2: Convert to fraction form
    5,427,023.40/8,140,535.10 = 1,640,014.20/x
  3. Step 3: Cross multiply
    5,427,023.40x = 8,140,535.10 × 1,640,014.20
  4. Step 4: Simplify right side
    5,427,023.40x = 13,350,593,159,598.42
  5. Step 5: Solve for x
    x = 13,350,593,159,598.42/5,427,023.40
  6. Step 6: Final answer
    x = 2,460,021.30

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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.