Home / 2,854,986.79-3,939,518.60-1,631,371.45

Finding the Fourth Proportional to 2,854,986.79, 3,939,518.60 and 1,631,371.45

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Solution

The fourth proportional to 2,854,986.79, 3,939,518.60 and 1,631,371.45 is: 2,251,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854,986.79 : 3,939,518.60 = 1,631,371.45 : x
  2. Step 2: Convert to fraction form
    2,854,986.79/3,939,518.60 = 1,631,371.45/x
  3. Step 3: Cross multiply
    2,854,986.79x = 3,939,518.60 × 1,631,371.45
  4. Step 4: Simplify right side
    2,854,986.79x = 6,426,818,162,627.11
  5. Step 5: Solve for x
    x = 6,426,818,162,627.11/2,854,986.79
  6. Step 6: Final answer
    x = 2,251,085.08

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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.