Home / 1,779,839.55-2,455,500.60-1,315,807.65

Finding the Fourth Proportional to 1,779,839.55, 2,455,500.60 and 1,315,807.65

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Solution

The fourth proportional to 1,779,839.55, 2,455,500.60 and 1,315,807.65 is: 1,815,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,839.55 : 2,455,500.60 = 1,315,807.65 : x
  2. Step 2: Convert to fraction form
    1,779,839.55/2,455,500.60 = 1,315,807.65/x
  3. Step 3: Cross multiply
    1,779,839.55x = 2,455,500.60 × 1,315,807.65
  4. Step 4: Simplify right side
    1,779,839.55x = 3,230,966,474,059.59
  5. Step 5: Solve for x
    x = 3,230,966,474,059.59/1,779,839.55
  6. Step 6: Final answer
    x = 1,815,313.34

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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.