Home / 1,992,937.80-2,989,406.70-730,601.40

Finding the Fourth Proportional to 1,992,937.80, 2,989,406.70 and 730,601.40

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Solution

The fourth proportional to 1,992,937.80, 2,989,406.70 and 730,601.40 is: 1,095,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,937.80 : 2,989,406.70 = 730,601.40 : x
  2. Step 2: Convert to fraction form
    1,992,937.80/2,989,406.70 = 730,601.40/x
  3. Step 3: Cross multiply
    1,992,937.80x = 2,989,406.70 × 730,601.40
  4. Step 4: Simplify right side
    1,992,937.80x = 2,184,064,720,189.38
  5. Step 5: Solve for x
    x = 2,184,064,720,189.38/1,992,937.80
  6. Step 6: Final answer
    x = 1,095,902.10

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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.