Home / 2,118,808.04-3,178,868.15-734,059.78

Finding the Fourth Proportional to 2,118,808.04, 3,178,868.15 and 734,059.78

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Solution

The fourth proportional to 2,118,808.04, 3,178,868.15 and 734,059.78 is: 1,101,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,808.04 : 3,178,868.15 = 734,059.78 : x
  2. Step 2: Convert to fraction form
    2,118,808.04/3,178,868.15 = 734,059.78/x
  3. Step 3: Cross multiply
    2,118,808.04x = 3,178,868.15 × 734,059.78
  4. Step 4: Simplify right side
    2,118,808.04x = 2,333,479,248,725.99
  5. Step 5: Solve for x
    x = 2,333,479,248,725.99/2,118,808.04
  6. Step 6: Final answer
    x = 1,101,316.97

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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.