Home / 4,920,479.10-7,380,718.65-1,729,208.70

Finding the Fourth Proportional to 4,920,479.10, 7,380,718.65 and 1,729,208.70

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Solution

The fourth proportional to 4,920,479.10, 7,380,718.65 and 1,729,208.70 is: 2,593,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,479.10 : 7,380,718.65 = 1,729,208.70 : x
  2. Step 2: Convert to fraction form
    4,920,479.10/7,380,718.65 = 1,729,208.70/x
  3. Step 3: Cross multiply
    4,920,479.10x = 7,380,718.65 × 1,729,208.70
  4. Step 4: Simplify right side
    4,920,479.10x = 12,762,802,901,832.26
  5. Step 5: Solve for x
    x = 12,762,802,901,832.26/4,920,479.10
  6. Step 6: Final answer
    x = 2,593,813.05

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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.