Home / 3,480,140.40-5,216,063.40-1,458,380.40

Finding the Fourth Proportional to 3,480,140.40, 5,216,063.40 and 1,458,380.40

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Solution

The fourth proportional to 3,480,140.40, 5,216,063.40 and 1,458,380.40 is: 2,185,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,140.40 : 5,216,063.40 = 1,458,380.40 : x
  2. Step 2: Convert to fraction form
    3,480,140.40/5,216,063.40 = 1,458,380.40/x
  3. Step 3: Cross multiply
    3,480,140.40x = 5,216,063.40 × 1,458,380.40
  4. Step 4: Simplify right side
    3,480,140.40x = 7,607,004,627,717.36
  5. Step 5: Solve for x
    x = 7,607,004,627,717.36/3,480,140.40
  6. Step 6: Final answer
    x = 2,185,832.68

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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.