Home / 4,320,131.40-6,480,197.10-1,287,491.40

Finding the Fourth Proportional to 4,320,131.40, 6,480,197.10 and 1,287,491.40

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Solution

The fourth proportional to 4,320,131.40, 6,480,197.10 and 1,287,491.40 is: 1,931,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,131.40 : 6,480,197.10 = 1,287,491.40 : x
  2. Step 2: Convert to fraction form
    4,320,131.40/6,480,197.10 = 1,287,491.40/x
  3. Step 3: Cross multiply
    4,320,131.40x = 6,480,197.10 × 1,287,491.40
  4. Step 4: Simplify right side
    4,320,131.40x = 8,343,198,036,554.94
  5. Step 5: Solve for x
    x = 8,343,198,036,554.94/4,320,131.40
  6. Step 6: Final answer
    x = 1,931,237.10

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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.