Home / 1,921,460.74-2,879,860.56-1,411,291.15

Finding the Fourth Proportional to 1,921,460.74, 2,879,860.56 and 1,411,291.15

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Solution

The fourth proportional to 1,921,460.74, 2,879,860.56 and 1,411,291.15 is: 2,115,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,460.74 : 2,879,860.56 = 1,411,291.15 : x
  2. Step 2: Convert to fraction form
    1,921,460.74/2,879,860.56 = 1,411,291.15/x
  3. Step 3: Cross multiply
    1,921,460.74x = 2,879,860.56 × 1,411,291.15
  4. Step 4: Simplify right side
    1,921,460.74x = 4,064,321,721,562.04
  5. Step 5: Solve for x
    x = 4,064,321,721,562.04/1,921,460.74
  6. Step 6: Final answer
    x = 2,115,224.96

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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.