Home / 1,812,917.40-2,719,376.10-868,133.40

Finding the Fourth Proportional to 1,812,917.40, 2,719,376.10 and 868,133.40

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Solution

The fourth proportional to 1,812,917.40, 2,719,376.10 and 868,133.40 is: 1,302,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,917.40 : 2,719,376.10 = 868,133.40 : x
  2. Step 2: Convert to fraction form
    1,812,917.40/2,719,376.10 = 868,133.40/x
  3. Step 3: Cross multiply
    1,812,917.40x = 2,719,376.10 × 868,133.40
  4. Step 4: Simplify right side
    1,812,917.40x = 2,360,781,219,571.74
  5. Step 5: Solve for x
    x = 2,360,781,219,571.74/1,812,917.40
  6. Step 6: Final answer
    x = 1,302,200.10

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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.