Home / 1,948,245.60-2,922,368.40-1,276,399.20

Finding the Fourth Proportional to 1,948,245.60, 2,922,368.40 and 1,276,399.20

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Solution

The fourth proportional to 1,948,245.60, 2,922,368.40 and 1,276,399.20 is: 1,914,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,245.60 : 2,922,368.40 = 1,276,399.20 : x
  2. Step 2: Convert to fraction form
    1,948,245.60/2,922,368.40 = 1,276,399.20/x
  3. Step 3: Cross multiply
    1,948,245.60x = 2,922,368.40 × 1,276,399.20
  4. Step 4: Simplify right side
    1,948,245.60x = 3,730,108,687,865.28
  5. Step 5: Solve for x
    x = 3,730,108,687,865.28/1,948,245.60
  6. Step 6: Final answer
    x = 1,914,598.80

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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.