Home / 1,969,639.96-2,718,312.11-1,154,528.49

Finding the Fourth Proportional to 1,969,639.96, 2,718,312.11 and 1,154,528.49

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Solution

The fourth proportional to 1,969,639.96, 2,718,312.11 and 1,154,528.49 is: 1,593,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,639.96 : 2,718,312.11 = 1,154,528.49 : x
  2. Step 2: Convert to fraction form
    1,969,639.96/2,718,312.11 = 1,154,528.49/x
  3. Step 3: Cross multiply
    1,969,639.96x = 2,718,312.11 × 1,154,528.49
  4. Step 4: Simplify right side
    1,969,639.96x = 3,138,368,775,707.01
  5. Step 5: Solve for x
    x = 3,138,368,775,707.01/1,969,639.96
  6. Step 6: Final answer
    x = 1,593,371.80

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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.