Home / 2,671,517.57-4,007,320.09-778,362.89

Finding the Fourth Proportional to 2,671,517.57, 4,007,320.09 and 778,362.89

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Solution

The fourth proportional to 2,671,517.57, 4,007,320.09 and 778,362.89 is: 1,167,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,517.57 : 4,007,320.09 = 778,362.89 : x
  2. Step 2: Convert to fraction form
    2,671,517.57/4,007,320.09 = 778,362.89/x
  3. Step 3: Cross multiply
    2,671,517.57x = 4,007,320.09 × 778,362.89
  4. Step 4: Simplify right side
    2,671,517.57x = 3,119,149,224,424.95
  5. Step 5: Solve for x
    x = 3,119,149,224,424.95/2,671,517.57
  6. Step 6: Final answer
    x = 1,167,557.07

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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.