Home / 3,119,261.70-4,678,892.55-1,521,002.10

Finding the Fourth Proportional to 3,119,261.70, 4,678,892.55 and 1,521,002.10

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Solution

The fourth proportional to 3,119,261.70, 4,678,892.55 and 1,521,002.10 is: 2,281,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,261.70 : 4,678,892.55 = 1,521,002.10 : x
  2. Step 2: Convert to fraction form
    3,119,261.70/4,678,892.55 = 1,521,002.10/x
  3. Step 3: Cross multiply
    3,119,261.70x = 4,678,892.55 × 1,521,002.10
  4. Step 4: Simplify right side
    3,119,261.70x = 7,116,605,394,224.36
  5. Step 5: Solve for x
    x = 7,116,605,394,224.36/3,119,261.70
  6. Step 6: Final answer
    x = 2,281,503.15

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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.