Home / 2,209,568.78-3,050,605.82-1,513,015.20

Finding the Fourth Proportional to 2,209,568.78, 3,050,605.82 and 1,513,015.20

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Solution

The fourth proportional to 2,209,568.78, 3,050,605.82 and 1,513,015.20 is: 2,088,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,568.78 : 3,050,605.82 = 1,513,015.20 : x
  2. Step 2: Convert to fraction form
    2,209,568.78/3,050,605.82 = 1,513,015.20/x
  3. Step 3: Cross multiply
    2,209,568.78x = 3,050,605.82 × 1,513,015.20
  4. Step 4: Simplify right side
    2,209,568.78x = 4,615,612,967,303.39
  5. Step 5: Solve for x
    x = 4,615,612,967,303.39/2,209,568.78
  6. Step 6: Final answer
    x = 2,088,920.25

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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.