Home / 2,513,215.20-3,769,822.80-1,314,674.40

Finding the Fourth Proportional to 2,513,215.20, 3,769,822.80 and 1,314,674.40

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Solution

The fourth proportional to 2,513,215.20, 3,769,822.80 and 1,314,674.40 is: 1,972,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513,215.20 : 3,769,822.80 = 1,314,674.40 : x
  2. Step 2: Convert to fraction form
    2,513,215.20/3,769,822.80 = 1,314,674.40/x
  3. Step 3: Cross multiply
    2,513,215.20x = 3,769,822.80 × 1,314,674.40
  4. Step 4: Simplify right side
    2,513,215.20x = 4,956,089,527,696.32
  5. Step 5: Solve for x
    x = 4,956,089,527,696.32/2,513,215.20
  6. Step 6: Final answer
    x = 1,972,011.60

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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.