Home / 2,119,319.60-3,178,979.40-1,887,076.40

Finding the Fourth Proportional to 2,119,319.60, 3,178,979.40 and 1,887,076.40

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Solution

The fourth proportional to 2,119,319.60, 3,178,979.40 and 1,887,076.40 is: 2,830,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,319.60 : 3,178,979.40 = 1,887,076.40 : x
  2. Step 2: Convert to fraction form
    2,119,319.60/3,178,979.40 = 1,887,076.40/x
  3. Step 3: Cross multiply
    2,119,319.60x = 3,178,979.40 × 1,887,076.40
  4. Step 4: Simplify right side
    2,119,319.60x = 5,998,977,001,826.16
  5. Step 5: Solve for x
    x = 5,998,977,001,826.16/2,119,319.60
  6. Step 6: Final answer
    x = 2,830,614.60

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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.