Home / 1,953,500.80-2,930,251.20-1,638,572.80

Finding the Fourth Proportional to 1,953,500.80, 2,930,251.20 and 1,638,572.80

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Solution

The fourth proportional to 1,953,500.80, 2,930,251.20 and 1,638,572.80 is: 2,457,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,500.80 : 2,930,251.20 = 1,638,572.80 : x
  2. Step 2: Convert to fraction form
    1,953,500.80/2,930,251.20 = 1,638,572.80/x
  3. Step 3: Cross multiply
    1,953,500.80x = 2,930,251.20 × 1,638,572.80
  4. Step 4: Simplify right side
    1,953,500.80x = 4,801,429,913,487.36
  5. Step 5: Solve for x
    x = 4,801,429,913,487.36/1,953,500.80
  6. Step 6: Final answer
    x = 2,457,859.20

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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.