Home / 1,651,290.60-2,474,603.10-1,221,472.20

Finding the Fourth Proportional to 1,651,290.60, 2,474,603.10 and 1,221,472.20

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Solution

The fourth proportional to 1,651,290.60, 2,474,603.10 and 1,221,472.20 is: 1,830,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,290.60 : 2,474,603.10 = 1,221,472.20 : x
  2. Step 2: Convert to fraction form
    1,651,290.60/2,474,603.10 = 1,221,472.20/x
  3. Step 3: Cross multiply
    1,651,290.60x = 2,474,603.10 × 1,221,472.20
  4. Step 4: Simplify right side
    1,651,290.60x = 3,022,658,892,683.82
  5. Step 5: Solve for x
    x = 3,022,658,892,683.82/1,651,290.60
  6. Step 6: Final answer
    x = 1,830,482.71

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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.