Home / 2,088,019.40-3,132,029.10-1,990,041.80

Finding the Fourth Proportional to 2,088,019.40, 3,132,029.10 and 1,990,041.80

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Solution

The fourth proportional to 2,088,019.40, 3,132,029.10 and 1,990,041.80 is: 2,985,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,019.40 : 3,132,029.10 = 1,990,041.80 : x
  2. Step 2: Convert to fraction form
    2,088,019.40/3,132,029.10 = 1,990,041.80/x
  3. Step 3: Cross multiply
    2,088,019.40x = 3,132,029.10 × 1,990,041.80
  4. Step 4: Simplify right side
    2,088,019.40x = 6,232,868,827,816.38
  5. Step 5: Solve for x
    x = 6,232,868,827,816.38/2,088,019.40
  6. Step 6: Final answer
    x = 2,985,062.70

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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.