Home / 1,820,006.20-2,730,009.30-621,748.90

Finding the Fourth Proportional to 1,820,006.20, 2,730,009.30 and 621,748.90

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Solution

The fourth proportional to 1,820,006.20, 2,730,009.30 and 621,748.90 is: 932,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,006.20 : 2,730,009.30 = 621,748.90 : x
  2. Step 2: Convert to fraction form
    1,820,006.20/2,730,009.30 = 621,748.90/x
  3. Step 3: Cross multiply
    1,820,006.20x = 2,730,009.30 × 621,748.90
  4. Step 4: Simplify right side
    1,820,006.20x = 1,697,380,279,264.77
  5. Step 5: Solve for x
    x = 1,697,380,279,264.77/1,820,006.20
  6. Step 6: Final answer
    x = 932,623.35

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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.