Home / 1,512,385.40-2,262,017.10-1,353,609.20

Finding the Fourth Proportional to 1,512,385.40, 2,262,017.10 and 1,353,609.20

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Solution

The fourth proportional to 1,512,385.40, 2,262,017.10 and 1,353,609.20 is: 2,024,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,385.40 : 2,262,017.10 = 1,353,609.20 : x
  2. Step 2: Convert to fraction form
    1,512,385.40/2,262,017.10 = 1,353,609.20/x
  3. Step 3: Cross multiply
    1,512,385.40x = 2,262,017.10 × 1,353,609.20
  4. Step 4: Simplify right side
    1,512,385.40x = 3,061,887,157,117.32
  5. Step 5: Solve for x
    x = 3,061,887,157,117.32/1,512,385.40
  6. Step 6: Final answer
    x = 2,024,541.60

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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.