Home / 3,117,923.40-4,677,030.90-988,174.20

Finding the Fourth Proportional to 3,117,923.40, 4,677,030.90 and 988,174.20

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Solution

The fourth proportional to 3,117,923.40, 4,677,030.90 and 988,174.20 is: 1,482,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,923.40 : 4,677,030.90 = 988,174.20 : x
  2. Step 2: Convert to fraction form
    3,117,923.40/4,677,030.90 = 988,174.20/x
  3. Step 3: Cross multiply
    3,117,923.40x = 4,677,030.90 × 988,174.20
  4. Step 4: Simplify right side
    3,117,923.40x = 4,621,721,267,982.78
  5. Step 5: Solve for x
    x = 4,621,721,267,982.78/3,117,923.40
  6. Step 6: Final answer
    x = 1,482,307.51

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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.