Home / 3,507,356.40-5,258,410.20-1,911,721.20

Finding the Fourth Proportional to 3,507,356.40, 5,258,410.20 and 1,911,721.20

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Solution

The fourth proportional to 3,507,356.40, 5,258,410.20 and 1,911,721.20 is: 2,866,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,356.40 : 5,258,410.20 = 1,911,721.20 : x
  2. Step 2: Convert to fraction form
    3,507,356.40/5,258,410.20 = 1,911,721.20/x
  3. Step 3: Cross multiply
    3,507,356.40x = 5,258,410.20 × 1,911,721.20
  4. Step 4: Simplify right side
    3,507,356.40x = 10,052,614,257,636.24
  5. Step 5: Solve for x
    x = 10,052,614,257,636.24/3,507,356.40
  6. Step 6: Final answer
    x = 2,866,151.34

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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.