Home / 1,953,826.40-2,930,739.60-1,316,097.20

Finding the Fourth Proportional to 1,953,826.40, 2,930,739.60 and 1,316,097.20

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Solution

The fourth proportional to 1,953,826.40, 2,930,739.60 and 1,316,097.20 is: 1,974,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,826.40 : 2,930,739.60 = 1,316,097.20 : x
  2. Step 2: Convert to fraction form
    1,953,826.40/2,930,739.60 = 1,316,097.20/x
  3. Step 3: Cross multiply
    1,953,826.40x = 2,930,739.60 × 1,316,097.20
  4. Step 4: Simplify right side
    1,953,826.40x = 3,857,138,181,489.12
  5. Step 5: Solve for x
    x = 3,857,138,181,489.12/1,953,826.40
  6. Step 6: Final answer
    x = 1,974,145.80

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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.