Home / 2,920,242.60-4,029,891.90-1,631,101.80

Finding the Fourth Proportional to 2,920,242.60, 4,029,891.90 and 1,631,101.80

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Solution

The fourth proportional to 2,920,242.60, 4,029,891.90 and 1,631,101.80 is: 2,250,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,242.60 : 4,029,891.90 = 1,631,101.80 : x
  2. Step 2: Convert to fraction form
    2,920,242.60/4,029,891.90 = 1,631,101.80/x
  3. Step 3: Cross multiply
    2,920,242.60x = 4,029,891.90 × 1,631,101.80
  4. Step 4: Simplify right side
    2,920,242.60x = 6,573,163,931,895.42
  5. Step 5: Solve for x
    x = 6,573,163,931,895.42/2,920,242.60
  6. Step 6: Final answer
    x = 2,250,896.53

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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.