Home / 2,020,144.28-2,787,858.40-1,102,432.64

Finding the Fourth Proportional to 2,020,144.28, 2,787,858.40 and 1,102,432.64

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Solution

The fourth proportional to 2,020,144.28, 2,787,858.40 and 1,102,432.64 is: 1,521,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,144.28 : 2,787,858.40 = 1,102,432.64 : x
  2. Step 2: Convert to fraction form
    2,020,144.28/2,787,858.40 = 1,102,432.64/x
  3. Step 3: Cross multiply
    2,020,144.28x = 2,787,858.40 × 1,102,432.64
  4. Step 4: Simplify right side
    2,020,144.28x = 3,073,426,095,858.18
  5. Step 5: Solve for x
    x = 3,073,426,095,858.18/2,020,144.28
  6. Step 6: Final answer
    x = 1,521,389.40

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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.