Home / 2,078,305.60-3,117,458.40-1,369,134.40

Finding the Fourth Proportional to 2,078,305.60, 3,117,458.40 and 1,369,134.40

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Solution

The fourth proportional to 2,078,305.60, 3,117,458.40 and 1,369,134.40 is: 2,053,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,305.60 : 3,117,458.40 = 1,369,134.40 : x
  2. Step 2: Convert to fraction form
    2,078,305.60/3,117,458.40 = 1,369,134.40/x
  3. Step 3: Cross multiply
    2,078,305.60x = 3,117,458.40 × 1,369,134.40
  4. Step 4: Simplify right side
    2,078,305.60x = 4,268,219,536,008.96
  5. Step 5: Solve for x
    x = 4,268,219,536,008.96/2,078,305.60
  6. Step 6: Final answer
    x = 2,053,701.60

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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.