Home / 1,618,320.20-2,430,104.70-1,088,191.40

Finding the Fourth Proportional to 1,618,320.20, 2,430,104.70 and 1,088,191.40

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Solution

The fourth proportional to 1,618,320.20, 2,430,104.70 and 1,088,191.40 is: 1,634,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,320.20 : 2,430,104.70 = 1,088,191.40 : x
  2. Step 2: Convert to fraction form
    1,618,320.20/2,430,104.70 = 1,088,191.40/x
  3. Step 3: Cross multiply
    1,618,320.20x = 2,430,104.70 × 1,088,191.40
  4. Step 4: Simplify right side
    1,618,320.20x = 2,644,419,035,639.58
  5. Step 5: Solve for x
    x = 2,644,419,035,639.58/1,618,320.20
  6. Step 6: Final answer
    x = 1,634,051.80

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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.