Home / 2,840,419.47-3,919,875.60-1,679,860.58

Finding the Fourth Proportional to 2,840,419.47, 3,919,875.60 and 1,679,860.58

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Solution

The fourth proportional to 2,840,419.47, 3,919,875.60 and 1,679,860.58 is: 2,318,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,419.47 : 3,919,875.60 = 1,679,860.58 : x
  2. Step 2: Convert to fraction form
    2,840,419.47/3,919,875.60 = 1,679,860.58/x
  3. Step 3: Cross multiply
    2,840,419.47x = 3,919,875.60 × 1,679,860.58
  4. Step 4: Simplify right side
    2,840,419.47x = 6,584,844,499,031.55
  5. Step 5: Solve for x
    x = 6,584,844,499,031.55/2,840,419.47
  6. Step 6: Final answer
    x = 2,318,264.81

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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.