Home / 2,230,726.77-3,078,421.40-1,212,131.52

Finding the Fourth Proportional to 2,230,726.77, 3,078,421.40 and 1,212,131.52

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Solution

The fourth proportional to 2,230,726.77, 3,078,421.40 and 1,212,131.52 is: 1,672,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,726.77 : 3,078,421.40 = 1,212,131.52 : x
  2. Step 2: Convert to fraction form
    2,230,726.77/3,078,421.40 = 1,212,131.52/x
  3. Step 3: Cross multiply
    2,230,726.77x = 3,078,421.40 × 1,212,131.52
  4. Step 4: Simplify right side
    2,230,726.77x = 3,731,451,610,782.53
  5. Step 5: Solve for x
    x = 3,731,451,610,782.53/2,230,726.77
  6. Step 6: Final answer
    x = 1,672,751.53

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1.5x scale

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.