Home / 1,813,820.20-2,720,730.30-465,980.20

Finding the Fourth Proportional to 1,813,820.20, 2,720,730.30 and 465,980.20

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Solution

The fourth proportional to 1,813,820.20, 2,720,730.30 and 465,980.20 is: 698,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,820.20 : 2,720,730.30 = 465,980.20 : x
  2. Step 2: Convert to fraction form
    1,813,820.20/2,720,730.30 = 465,980.20/x
  3. Step 3: Cross multiply
    1,813,820.20x = 2,720,730.30 × 465,980.20
  4. Step 4: Simplify right side
    1,813,820.20x = 1,267,806,449,340.06
  5. Step 5: Solve for x
    x = 1,267,806,449,340.06/1,813,820.20
  6. Step 6: Final answer
    x = 698,970.30

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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.