Home / 5,428,658.40-8,147,580.30-2,236,075.80

Finding the Fourth Proportional to 5,428,658.40, 8,147,580.30 and 2,236,075.80

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Solution

The fourth proportional to 5,428,658.40, 8,147,580.30 and 2,236,075.80 is: 3,356,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,658.40 : 8,147,580.30 = 2,236,075.80 : x
  2. Step 2: Convert to fraction form
    5,428,658.40/8,147,580.30 = 2,236,075.80/x
  3. Step 3: Cross multiply
    5,428,658.40x = 8,147,580.30 × 2,236,075.80
  4. Step 4: Simplify right side
    5,428,658.40x = 18,218,607,137,386.74
  5. Step 5: Solve for x
    x = 18,218,607,137,386.74/5,428,658.40
  6. Step 6: Final answer
    x = 3,356,005.44

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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.