Home / 4,920,203.70-7,381,342.35-2,078,853.30

Finding the Fourth Proportional to 4,920,203.70, 7,381,342.35 and 2,078,853.30

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Solution

The fourth proportional to 4,920,203.70, 7,381,342.35 and 2,078,853.30 is: 3,118,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,203.70 : 7,381,342.35 = 2,078,853.30 : x
  2. Step 2: Convert to fraction form
    4,920,203.70/7,381,342.35 = 2,078,853.30/x
  3. Step 3: Cross multiply
    4,920,203.70x = 7,381,342.35 × 2,078,853.30
  4. Step 4: Simplify right side
    4,920,203.70x = 15,344,727,902,727.25
  5. Step 5: Solve for x
    x = 15,344,727,902,727.25/4,920,203.70
  6. Step 6: Final answer
    x = 3,118,718.01

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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.