Home / 2,118,430.56-3,176,909.55-903,958.04

Finding the Fourth Proportional to 2,118,430.56, 3,176,909.55 and 903,958.04

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Solution

The fourth proportional to 2,118,430.56, 3,176,909.55 and 903,958.04 is: 1,355,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,430.56 : 3,176,909.55 = 903,958.04 : x
  2. Step 2: Convert to fraction form
    2,118,430.56/3,176,909.55 = 903,958.04/x
  3. Step 3: Cross multiply
    2,118,430.56x = 3,176,909.55 × 903,958.04
  4. Step 4: Simplify right side
    2,118,430.56x = 2,871,792,930,075.28
  5. Step 5: Solve for x
    x = 2,871,792,930,075.28/2,118,430.56
  6. Step 6: Final answer
    x = 1,355,622.88

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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.