Home / 2,021,019.32-2,788,344.30-1,440,333.92

Finding the Fourth Proportional to 2,021,019.32, 2,788,344.30 and 1,440,333.92

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Solution

The fourth proportional to 2,021,019.32, 2,788,344.30 and 1,440,333.92 is: 1,987,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,019.32 : 2,788,344.30 = 1,440,333.92 : x
  2. Step 2: Convert to fraction form
    2,021,019.32/2,788,344.30 = 1,440,333.92/x
  3. Step 3: Cross multiply
    2,021,019.32x = 2,788,344.30 × 1,440,333.92
  4. Step 4: Simplify right side
    2,021,019.32x = 4,016,146,875,928.66
  5. Step 5: Solve for x
    x = 4,016,146,875,928.66/2,021,019.32
  6. Step 6: Final answer
    x = 1,987,188.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.