Home / 3,117,758.40-4,676,783.40-988,009.20

Finding the Fourth Proportional to 3,117,758.40, 4,676,783.40 and 988,009.20

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Solution

The fourth proportional to 3,117,758.40, 4,676,783.40 and 988,009.20 is: 1,482,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,758.40 : 4,676,783.40 = 988,009.20 : x
  2. Step 2: Convert to fraction form
    3,117,758.40/4,676,783.40 = 988,009.20/x
  3. Step 3: Cross multiply
    3,117,758.40x = 4,676,783.40 × 988,009.20
  4. Step 4: Simplify right side
    3,117,758.40x = 4,620,705,025,607.28
  5. Step 5: Solve for x
    x = 4,620,705,025,607.28/3,117,758.40
  6. Step 6: Final answer
    x = 1,482,060.00

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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.