Home / 2,898,086.90-4,347,130.35-768,499.70

Finding the Fourth Proportional to 2,898,086.90, 4,347,130.35 and 768,499.70

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Solution

The fourth proportional to 2,898,086.90, 4,347,130.35 and 768,499.70 is: 1,152,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,086.90 : 4,347,130.35 = 768,499.70 : x
  2. Step 2: Convert to fraction form
    2,898,086.90/4,347,130.35 = 768,499.70/x
  3. Step 3: Cross multiply
    2,898,086.90x = 4,347,130.35 × 768,499.70
  4. Step 4: Simplify right side
    2,898,086.90x = 3,340,768,369,835.89
  5. Step 5: Solve for x
    x = 3,340,768,369,835.89/2,898,086.90
  6. Step 6: Final answer
    x = 1,152,749.55

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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.