Home / 2,840,877.60-3,920,385.12-1,551,717.60

Finding the Fourth Proportional to 2,840,877.60, 3,920,385.12 and 1,551,717.60

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Solution

The fourth proportional to 2,840,877.60, 3,920,385.12 and 1,551,717.60 is: 2,141,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,877.60 : 3,920,385.12 = 1,551,717.60 : x
  2. Step 2: Convert to fraction form
    2,840,877.60/3,920,385.12 = 1,551,717.60/x
  3. Step 3: Cross multiply
    2,840,877.60x = 3,920,385.12 × 1,551,717.60
  4. Step 4: Simplify right side
    2,840,877.60x = 6,083,330,589,482.11
  5. Step 5: Solve for x
    x = 6,083,330,589,482.11/2,840,877.60
  6. Step 6: Final answer
    x = 2,141,356.10

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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.