Home / 5,281,903.76-7,289,057.50-3,106,538.60

Finding the Fourth Proportional to 5,281,903.76, 7,289,057.50 and 3,106,538.60

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Solution

The fourth proportional to 5,281,903.76, 7,289,057.50 and 3,106,538.60 is: 4,287,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,903.76 : 7,289,057.50 = 3,106,538.60 : x
  2. Step 2: Convert to fraction form
    5,281,903.76/7,289,057.50 = 3,106,538.60/x
  3. Step 3: Cross multiply
    5,281,903.76x = 7,289,057.50 × 3,106,538.60
  4. Step 4: Simplify right side
    5,281,903.76x = 22,643,738,437,157.87
  5. Step 5: Solve for x
    x = 22,643,738,437,157.87/5,281,903.76
  6. Step 6: Final answer
    x = 4,287,041.09

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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.