Home / 2,103,999.90-3,155,999.85-684,102.30

Finding the Fourth Proportional to 2,103,999.90, 3,155,999.85 and 684,102.30

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Solution

The fourth proportional to 2,103,999.90, 3,155,999.85 and 684,102.30 is: 1,026,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,999.90 : 3,155,999.85 = 684,102.30 : x
  2. Step 2: Convert to fraction form
    2,103,999.90/3,155,999.85 = 684,102.30/x
  3. Step 3: Cross multiply
    2,103,999.90x = 3,155,999.85 × 684,102.30
  4. Step 4: Simplify right side
    2,103,999.90x = 2,159,026,756,184.66
  5. Step 5: Solve for x
    x = 2,159,026,756,184.66/2,103,999.90
  6. Step 6: Final answer
    x = 1,026,153.45

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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.