Home / 2,106,032.20-3,158,999.70-686,077.90

Finding the Fourth Proportional to 2,106,032.20, 3,158,999.70 and 686,077.90

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Solution

The fourth proportional to 2,106,032.20, 3,158,999.70 and 686,077.90 is: 1,029,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,032.20 : 3,158,999.70 = 686,077.90 : x
  2. Step 2: Convert to fraction form
    2,106,032.20/3,158,999.70 = 686,077.90/x
  3. Step 3: Cross multiply
    2,106,032.20x = 3,158,999.70 × 686,077.90
  4. Step 4: Simplify right side
    2,106,032.20x = 2,167,319,880,276.63
  5. Step 5: Solve for x
    x = 2,167,319,880,276.63/2,106,032.20
  6. Step 6: Final answer
    x = 1,029,101.02

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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.