Home / 1,879,643.28-2,593,838.22-1,020,185.12

Finding the Fourth Proportional to 1,879,643.28, 2,593,838.22 and 1,020,185.12

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Solution

The fourth proportional to 1,879,643.28, 2,593,838.22 and 1,020,185.12 is: 1,407,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,643.28 : 2,593,838.22 = 1,020,185.12 : x
  2. Step 2: Convert to fraction form
    1,879,643.28/2,593,838.22 = 1,020,185.12/x
  3. Step 3: Cross multiply
    1,879,643.28x = 2,593,838.22 × 1,020,185.12
  4. Step 4: Simplify right side
    1,879,643.28x = 2,646,195,155,731.29
  5. Step 5: Solve for x
    x = 2,646,195,155,731.29/1,879,643.28
  6. Step 6: Final answer
    x = 1,407,817.74

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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.