Home / 3,009,540.72-4,513,362.74-987,313.40

Finding the Fourth Proportional to 3,009,540.72, 4,513,362.74 and 987,313.40

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Solution

The fourth proportional to 3,009,540.72, 4,513,362.74 and 987,313.40 is: 1,480,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,540.72 : 4,513,362.74 = 987,313.40 : x
  2. Step 2: Convert to fraction form
    3,009,540.72/4,513,362.74 = 987,313.40/x
  3. Step 3: Cross multiply
    3,009,540.72x = 4,513,362.74 × 987,313.40
  4. Step 4: Simplify right side
    3,009,540.72x = 4,456,103,484,759.34
  5. Step 5: Solve for x
    x = 4,456,103,484,759.34/3,009,540.72
  6. Step 6: Final answer
    x = 1,480,658.98

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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.