Home / 1,538,248.16-2,120,981.88-1,048,507.64

Finding the Fourth Proportional to 1,538,248.16, 2,120,981.88 and 1,048,507.64

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Solution

The fourth proportional to 1,538,248.16, 2,120,981.88 and 1,048,507.64 is: 1,445,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,248.16 : 2,120,981.88 = 1,048,507.64 : x
  2. Step 2: Convert to fraction form
    1,538,248.16/2,120,981.88 = 1,048,507.64/x
  3. Step 3: Cross multiply
    1,538,248.16x = 2,120,981.88 × 1,048,507.64
  4. Step 4: Simplify right side
    1,538,248.16x = 2,223,865,705,481.56
  5. Step 5: Solve for x
    x = 2,223,865,705,481.56/1,538,248.16
  6. Step 6: Final answer
    x = 1,445,713.22

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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.