Home / 2,430,667.30-3,639,002.55-2,178,724.90

Finding the Fourth Proportional to 2,430,667.30, 3,639,002.55 and 2,178,724.90

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Solution

The fourth proportional to 2,430,667.30, 3,639,002.55 and 2,178,724.90 is: 3,261,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,667.30 : 3,639,002.55 = 2,178,724.90 : x
  2. Step 2: Convert to fraction form
    2,430,667.30/3,639,002.55 = 2,178,724.90/x
  3. Step 3: Cross multiply
    2,430,667.30x = 3,639,002.55 × 2,178,724.90
  4. Step 4: Simplify right side
    2,430,667.30x = 7,928,385,466,848.49
  5. Step 5: Solve for x
    x = 7,928,385,466,848.49/2,430,667.30
  6. Step 6: Final answer
    x = 3,261,814.34

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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.