Home / 1,825,306.80-2,742,625.80-1,620,020.40

Finding the Fourth Proportional to 1,825,306.80, 2,742,625.80 and 1,620,020.40

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Solution

The fourth proportional to 1,825,306.80, 2,742,625.80 and 1,620,020.40 is: 2,434,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,306.80 : 2,742,625.80 = 1,620,020.40 : x
  2. Step 2: Convert to fraction form
    1,825,306.80/2,742,625.80 = 1,620,020.40/x
  3. Step 3: Cross multiply
    1,825,306.80x = 2,742,625.80 × 1,620,020.40
  4. Step 4: Simplify right side
    1,825,306.80x = 4,443,109,745,566.32
  5. Step 5: Solve for x
    x = 4,443,109,745,566.32/1,825,306.80
  6. Step 6: Final answer
    x = 2,434,171.47

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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.