Home / 5,285,829.81-7,920,673.79-3,931,442.58

Finding the Fourth Proportional to 5,285,829.81, 7,920,673.79 and 3,931,442.58

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Solution

The fourth proportional to 5,285,829.81, 7,920,673.79 and 3,931,442.58 is: 5,891,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,829.81 : 7,920,673.79 = 3,931,442.58 : x
  2. Step 2: Convert to fraction form
    5,285,829.81/7,920,673.79 = 3,931,442.58/x
  3. Step 3: Cross multiply
    5,285,829.81x = 7,920,673.79 × 3,931,442.58
  4. Step 4: Simplify right side
    5,285,829.81x = 31,139,674,180,638.77
  5. Step 5: Solve for x
    x = 31,139,674,180,638.77/5,285,829.81
  6. Step 6: Final answer
    x = 5,891,160.95

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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.