Home / 2,003,378.40-3,003,026.40-990,943.20

Finding the Fourth Proportional to 2,003,378.40, 3,003,026.40 and 990,943.20

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Solution

The fourth proportional to 2,003,378.40, 3,003,026.40 and 990,943.20 is: 1,485,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,378.40 : 3,003,026.40 = 990,943.20 : x
  2. Step 2: Convert to fraction form
    2,003,378.40/3,003,026.40 = 990,943.20/x
  3. Step 3: Cross multiply
    2,003,378.40x = 3,003,026.40 × 990,943.20
  4. Step 4: Simplify right side
    2,003,378.40x = 2,975,828,590,500.48
  5. Step 5: Solve for x
    x = 2,975,828,590,500.48/2,003,378.40
  6. Step 6: Final answer
    x = 1,485,405.15

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1.5x scale

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.