Home / 2,208,393.81-3,312,589.10-712,485.81

Finding the Fourth Proportional to 2,208,393.81, 3,312,589.10 and 712,485.81

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Solution

The fourth proportional to 2,208,393.81, 3,312,589.10 and 712,485.81 is: 1,068,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,393.81 : 3,312,589.10 = 712,485.81 : x
  2. Step 2: Convert to fraction form
    2,208,393.81/3,312,589.10 = 712,485.81/x
  3. Step 3: Cross multiply
    2,208,393.81x = 3,312,589.10 × 712,485.81
  4. Step 4: Simplify right side
    2,208,393.81x = 2,360,172,724,548.24
  5. Step 5: Solve for x
    x = 2,360,172,724,548.24/2,208,393.81
  6. Step 6: Final answer
    x = 1,068,728.19

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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.