Home / 5,247,482.40-7,242,040.80-3,071,894.40

Finding the Fourth Proportional to 5,247,482.40, 7,242,040.80 and 3,071,894.40

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Solution

The fourth proportional to 5,247,482.40, 7,242,040.80 and 3,071,894.40 is: 4,239,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,482.40 : 7,242,040.80 = 3,071,894.40 : x
  2. Step 2: Convert to fraction form
    5,247,482.40/7,242,040.80 = 3,071,894.40/x
  3. Step 3: Cross multiply
    5,247,482.40x = 7,242,040.80 × 3,071,894.40
  4. Step 4: Simplify right side
    5,247,482.40x = 22,246,784,578,091.52
  5. Step 5: Solve for x
    x = 22,246,784,578,091.52/5,247,482.40
  6. Step 6: Final answer
    x = 4,239,515.81

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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.