Home / 1,868,448.60-2,578,459.02-1,009,008.83

Finding the Fourth Proportional to 1,868,448.60, 2,578,459.02 and 1,009,008.83

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Solution

The fourth proportional to 1,868,448.60, 2,578,459.02 and 1,009,008.83 is: 1,392,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,448.60 : 2,578,459.02 = 1,009,008.83 : x
  2. Step 2: Convert to fraction form
    1,868,448.60/2,578,459.02 = 1,009,008.83/x
  3. Step 3: Cross multiply
    1,868,448.60x = 2,578,459.02 × 1,009,008.83
  4. Step 4: Simplify right side
    1,868,448.60x = 2,601,687,906,080.85
  5. Step 5: Solve for x
    x = 2,601,687,906,080.85/1,868,448.60
  6. Step 6: Final answer
    x = 1,392,432.15

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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.