Home / 6,977,349.71-9,628,750.60-3,879,806.56

Finding the Fourth Proportional to 6,977,349.71, 9,628,750.60 and 3,879,806.56

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Solution

The fourth proportional to 6,977,349.71, 9,628,750.60 and 3,879,806.56 is: 5,354,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977,349.71 : 9,628,750.60 = 3,879,806.56 : x
  2. Step 2: Convert to fraction form
    6,977,349.71/9,628,750.60 = 3,879,806.56/x
  3. Step 3: Cross multiply
    6,977,349.71x = 9,628,750.60 × 3,879,806.56
  4. Step 4: Simplify right side
    6,977,349.71x = 37,357,689,708,712.55
  5. Step 5: Solve for x
    x = 37,357,689,708,712.55/6,977,349.71
  6. Step 6: Final answer
    x = 5,354,137.50

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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.