Home / 1,918,808.80-2,874,422.40-972,858.40

Finding the Fourth Proportional to 1,918,808.80, 2,874,422.40 and 972,858.40

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Solution

The fourth proportional to 1,918,808.80, 2,874,422.40 and 972,858.40 is: 1,457,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,808.80 : 2,874,422.40 = 972,858.40 : x
  2. Step 2: Convert to fraction form
    1,918,808.80/2,874,422.40 = 972,858.40/x
  3. Step 3: Cross multiply
    1,918,808.80x = 2,874,422.40 × 972,858.40
  4. Step 4: Simplify right side
    1,918,808.80x = 2,796,405,976,988.16
  5. Step 5: Solve for x
    x = 2,796,405,976,988.16/1,918,808.80
  6. Step 6: Final answer
    x = 1,457,365.62

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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.