Home / 2,791,207.40-4,190,747.70-1,728,325.40

Finding the Fourth Proportional to 2,791,207.40, 4,190,747.70 and 1,728,325.40

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Solution

The fourth proportional to 2,791,207.40, 4,190,747.70 and 1,728,325.40 is: 2,594,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,207.40 : 4,190,747.70 = 1,728,325.40 : x
  2. Step 2: Convert to fraction form
    2,791,207.40/4,190,747.70 = 1,728,325.40/x
  3. Step 3: Cross multiply
    2,791,207.40x = 4,190,747.70 × 1,728,325.40
  4. Step 4: Simplify right side
    2,791,207.40x = 7,242,975,694,901.58
  5. Step 5: Solve for x
    x = 7,242,975,694,901.58/2,791,207.40
  6. Step 6: Final answer
    x = 2,594,925.66

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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.