Home / 1,666,231.20-2,499,346.80-1,536,323.40

Finding the Fourth Proportional to 1,666,231.20, 2,499,346.80 and 1,536,323.40

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Solution

The fourth proportional to 1,666,231.20, 2,499,346.80 and 1,536,323.40 is: 2,304,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,231.20 : 2,499,346.80 = 1,536,323.40 : x
  2. Step 2: Convert to fraction form
    1,666,231.20/2,499,346.80 = 1,536,323.40/x
  3. Step 3: Cross multiply
    1,666,231.20x = 2,499,346.80 × 1,536,323.40
  4. Step 4: Simplify right side
    1,666,231.20x = 3,839,804,973,555.12
  5. Step 5: Solve for x
    x = 3,839,804,973,555.12/1,666,231.20
  6. Step 6: Final answer
    x = 2,304,485.10

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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.