Home / 2,012,312.40-2,777,385.42-1,153,447.80

Finding the Fourth Proportional to 2,012,312.40, 2,777,385.42 and 1,153,447.80

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Solution

The fourth proportional to 2,012,312.40, 2,777,385.42 and 1,153,447.80 is: 1,591,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,312.40 : 2,777,385.42 = 1,153,447.80 : x
  2. Step 2: Convert to fraction form
    2,012,312.40/2,777,385.42 = 1,153,447.80/x
  3. Step 3: Cross multiply
    2,012,312.40x = 2,777,385.42 × 1,153,447.80
  4. Step 4: Simplify right side
    2,012,312.40x = 3,203,569,102,451.08
  5. Step 5: Solve for x
    x = 3,203,569,102,451.08/2,012,312.40
  6. Step 6: Final answer
    x = 1,591,983.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.