Home / 2,907,271.72-4,360,564.14-777,520.90

Finding the Fourth Proportional to 2,907,271.72, 4,360,564.14 and 777,520.90

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Solution

The fourth proportional to 2,907,271.72, 4,360,564.14 and 777,520.90 is: 1,166,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,271.72 : 4,360,564.14 = 777,520.90 : x
  2. Step 2: Convert to fraction form
    2,907,271.72/4,360,564.14 = 777,520.90/x
  3. Step 3: Cross multiply
    2,907,271.72x = 4,360,564.14 × 777,520.90
  4. Step 4: Simplify right side
    2,907,271.72x = 3,390,429,754,640.53
  5. Step 5: Solve for x
    x = 3,390,429,754,640.53/2,907,271.72
  6. Step 6: Final answer
    x = 1,166,189.50

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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.