Home / 4,845,421.60-7,268,132.40-1,479,623.20

Finding the Fourth Proportional to 4,845,421.60, 7,268,132.40 and 1,479,623.20

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Solution

The fourth proportional to 4,845,421.60, 7,268,132.40 and 1,479,623.20 is: 2,219,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845,421.60 : 7,268,132.40 = 1,479,623.20 : x
  2. Step 2: Convert to fraction form
    4,845,421.60/7,268,132.40 = 1,479,623.20/x
  3. Step 3: Cross multiply
    4,845,421.60x = 7,268,132.40 × 1,479,623.20
  4. Step 4: Simplify right side
    4,845,421.60x = 10,754,097,319,711.68
  5. Step 5: Solve for x
    x = 10,754,097,319,711.68/4,845,421.60
  6. Step 6: Final answer
    x = 2,219,434.80

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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.