Home / 7,003,961.78-10,506,264.65-2,145,920.36

Finding the Fourth Proportional to 7,003,961.78, 10,506,264.65 and 2,145,920.36

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Solution

The fourth proportional to 7,003,961.78, 10,506,264.65 and 2,145,920.36 is: 3,218,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,961.78 : 10,506,264.65 = 2,145,920.36 : x
  2. Step 2: Convert to fraction form
    7,003,961.78/10,506,264.65 = 2,145,920.36/x
  3. Step 3: Cross multiply
    7,003,961.78x = 10,506,264.65 × 2,145,920.36
  4. Step 4: Simplify right side
    7,003,961.78x = 22,545,607,209,253.67
  5. Step 5: Solve for x
    x = 22,545,607,209,253.67/7,003,961.78
  6. Step 6: Final answer
    x = 3,218,979.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.