Home / 2,113,806.80-3,170,710.20-1,357,979.60

Finding the Fourth Proportional to 2,113,806.80, 3,170,710.20 and 1,357,979.60

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Solution

The fourth proportional to 2,113,806.80, 3,170,710.20 and 1,357,979.60 is: 2,036,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,806.80 : 3,170,710.20 = 1,357,979.60 : x
  2. Step 2: Convert to fraction form
    2,113,806.80/3,170,710.20 = 1,357,979.60/x
  3. Step 3: Cross multiply
    2,113,806.80x = 3,170,710.20 × 1,357,979.60
  4. Step 4: Simplify right side
    2,113,806.80x = 4,305,759,769,111.92
  5. Step 5: Solve for x
    x = 4,305,759,769,111.92/2,113,806.80
  6. Step 6: Final answer
    x = 2,036,969.40

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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.