Home / 2,113,905.31-3,170,830.28-516,482.23

Finding the Fourth Proportional to 2,113,905.31, 3,170,830.28 and 516,482.23

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Solution

The fourth proportional to 2,113,905.31, 3,170,830.28 and 516,482.23 is: 774,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,905.31 : 3,170,830.28 = 516,482.23 : x
  2. Step 2: Convert to fraction form
    2,113,905.31/3,170,830.28 = 516,482.23/x
  3. Step 3: Cross multiply
    2,113,905.31x = 3,170,830.28 × 516,482.23
  4. Step 4: Simplify right side
    2,113,905.31x = 1,637,677,493,965.92
  5. Step 5: Solve for x
    x = 1,637,677,493,965.92/2,113,905.31
  6. Step 6: Final answer
    x = 774,716.58

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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.