Home / 2,515,878.16-3,471,807.60-1,369,955.76

Finding the Fourth Proportional to 2,515,878.16, 3,471,807.60 and 1,369,955.76

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Solution

The fourth proportional to 2,515,878.16, 3,471,807.60 and 1,369,955.76 is: 1,890,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,878.16 : 3,471,807.60 = 1,369,955.76 : x
  2. Step 2: Convert to fraction form
    2,515,878.16/3,471,807.60 = 1,369,955.76/x
  3. Step 3: Cross multiply
    2,515,878.16x = 3,471,807.60 × 1,369,955.76
  4. Step 4: Simplify right side
    2,515,878.16x = 4,756,222,819,231.78
  5. Step 5: Solve for x
    x = 4,756,222,819,231.78/2,515,878.16
  6. Step 6: Final answer
    x = 1,890,482.18

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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.