Home / 2,091,278.80-3,137,355.60-671,478.40

Finding the Fourth Proportional to 2,091,278.80, 3,137,355.60 and 671,478.40

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Solution

The fourth proportional to 2,091,278.80, 3,137,355.60 and 671,478.40 is: 1,007,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,278.80 : 3,137,355.60 = 671,478.40 : x
  2. Step 2: Convert to fraction form
    2,091,278.80/3,137,355.60 = 671,478.40/x
  3. Step 3: Cross multiply
    2,091,278.80x = 3,137,355.60 × 671,478.40
  4. Step 4: Simplify right side
    2,091,278.80x = 2,106,666,518,519.04
  5. Step 5: Solve for x
    x = 2,106,666,518,519.04/2,091,278.80
  6. Step 6: Final answer
    x = 1,007,358.04

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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.