Home / 1,580,822.15-2,181,540.02-855,669.67

Finding the Fourth Proportional to 1,580,822.15, 2,181,540.02 and 855,669.67

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Solution

The fourth proportional to 1,580,822.15, 2,181,540.02 and 855,669.67 is: 1,180,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,822.15 : 2,181,540.02 = 855,669.67 : x
  2. Step 2: Convert to fraction form
    1,580,822.15/2,181,540.02 = 855,669.67/x
  3. Step 3: Cross multiply
    1,580,822.15x = 2,181,540.02 × 855,669.67
  4. Step 4: Simplify right side
    1,580,822.15x = 1,866,677,633,950.64
  5. Step 5: Solve for x
    x = 1,866,677,633,950.64/1,580,822.15
  6. Step 6: Final answer
    x = 1,180,827.10

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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.