Home / 2,160,036.20-3,232,181.10-1,971,079.40

Finding the Fourth Proportional to 2,160,036.20, 3,232,181.10 and 1,971,079.40

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Solution

The fourth proportional to 2,160,036.20, 3,232,181.10 and 1,971,079.40 is: 2,949,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,036.20 : 3,232,181.10 = 1,971,079.40 : x
  2. Step 2: Convert to fraction form
    2,160,036.20/3,232,181.10 = 1,971,079.40/x
  3. Step 3: Cross multiply
    2,160,036.20x = 3,232,181.10 × 1,971,079.40
  4. Step 4: Simplify right side
    2,160,036.20x = 6,370,885,583,279.34
  5. Step 5: Solve for x
    x = 6,370,885,583,279.34/2,160,036.20
  6. Step 6: Final answer
    x = 2,949,434.64

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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.