Home / 2,854,665.47-4,282,788.56-1,318,129.80

Finding the Fourth Proportional to 2,854,665.47, 4,282,788.56 and 1,318,129.80

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Solution

The fourth proportional to 2,854,665.47, 4,282,788.56 and 1,318,129.80 is: 1,977,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854,665.47 : 4,282,788.56 = 1,318,129.80 : x
  2. Step 2: Convert to fraction form
    2,854,665.47/4,282,788.56 = 1,318,129.80/x
  3. Step 3: Cross multiply
    2,854,665.47x = 4,282,788.56 × 1,318,129.80
  4. Step 4: Simplify right side
    2,854,665.47x = 5,645,271,221,444.44
  5. Step 5: Solve for x
    x = 5,645,271,221,444.44/2,854,665.47
  6. Step 6: Final answer
    x = 1,977,559.64

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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.