Home / 2,219,885.65-3,063,442.08-1,201,290.40

Finding the Fourth Proportional to 2,219,885.65, 3,063,442.08 and 1,201,290.40

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Solution

The fourth proportional to 2,219,885.65, 3,063,442.08 and 1,201,290.40 is: 1,657,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,885.65 : 3,063,442.08 = 1,201,290.40 : x
  2. Step 2: Convert to fraction form
    2,219,885.65/3,063,442.08 = 1,201,290.40/x
  3. Step 3: Cross multiply
    2,219,885.65x = 3,063,442.08 × 1,201,290.40
  4. Step 4: Simplify right side
    2,219,885.65x = 3,680,083,561,660.03
  5. Step 5: Solve for x
    x = 3,680,083,561,660.03/2,219,885.65
  6. Step 6: Final answer
    x = 1,657,780.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.