Home / 1,630,510.24-2,434,785.38-1,331,583.79

Finding the Fourth Proportional to 1,630,510.24, 2,434,785.38 and 1,331,583.79

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Solution

The fourth proportional to 1,630,510.24, 2,434,785.38 and 1,331,583.79 is: 1,988,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,510.24 : 2,434,785.38 = 1,331,583.79 : x
  2. Step 2: Convert to fraction form
    1,630,510.24/2,434,785.38 = 1,331,583.79/x
  3. Step 3: Cross multiply
    1,630,510.24x = 2,434,785.38 × 1,331,583.79
  4. Step 4: Simplify right side
    1,630,510.24x = 3,242,120,746,568.32
  5. Step 5: Solve for x
    x = 3,242,120,746,568.32/1,630,510.24
  6. Step 6: Final answer
    x = 1,988,408.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.