Home / 5,123,888.68-7,070,994.18-2,800,784.32

Finding the Fourth Proportional to 5,123,888.68, 7,070,994.18 and 2,800,784.32

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Solution

The fourth proportional to 5,123,888.68, 7,070,994.18 and 2,800,784.32 is: 3,865,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,888.68 : 7,070,994.18 = 2,800,784.32 : x
  2. Step 2: Convert to fraction form
    5,123,888.68/7,070,994.18 = 2,800,784.32/x
  3. Step 3: Cross multiply
    5,123,888.68x = 7,070,994.18 × 2,800,784.32
  4. Step 4: Simplify right side
    5,123,888.68x = 19,804,329,626,155.25
  5. Step 5: Solve for x
    x = 19,804,329,626,155.25/5,123,888.68
  6. Step 6: Final answer
    x = 3,865,097.56

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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.