Home / 4,297,045.76-6,436,914.26-1,988,285.22

Finding the Fourth Proportional to 4,297,045.76, 6,436,914.26 and 1,988,285.22

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Solution

The fourth proportional to 4,297,045.76, 6,436,914.26 and 1,988,285.22 is: 2,978,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297,045.76 : 6,436,914.26 = 1,988,285.22 : x
  2. Step 2: Convert to fraction form
    4,297,045.76/6,436,914.26 = 1,988,285.22/x
  3. Step 3: Cross multiply
    4,297,045.76x = 6,436,914.26 × 1,988,285.22
  4. Step 4: Simplify right side
    4,297,045.76x = 12,798,421,475,623.81
  5. Step 5: Solve for x
    x = 12,798,421,475,623.81/4,297,045.76
  6. Step 6: Final answer
    x = 2,978,423.36

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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.