Home / 2,111,850.14-2,916,758.76-1,431,605.66

Finding the Fourth Proportional to 2,111,850.14, 2,916,758.76 and 1,431,605.66

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Solution

The fourth proportional to 2,111,850.14, 2,916,758.76 and 1,431,605.66 is: 1,977,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,850.14 : 2,916,758.76 = 1,431,605.66 : x
  2. Step 2: Convert to fraction form
    2,111,850.14/2,916,758.76 = 1,431,605.66/x
  3. Step 3: Cross multiply
    2,111,850.14x = 2,916,758.76 × 1,431,605.66
  4. Step 4: Simplify right side
    2,111,850.14x = 4,175,648,349,670.58
  5. Step 5: Solve for x
    x = 4,175,648,349,670.58/2,111,850.14
  6. Step 6: Final answer
    x = 1,977,246.52

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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.