Home / 2,696,858.38-4,044,740.01-990,415.18

Finding the Fourth Proportional to 2,696,858.38, 4,044,740.01 and 990,415.18

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Solution

The fourth proportional to 2,696,858.38, 4,044,740.01 and 990,415.18 is: 1,485,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,858.38 : 4,044,740.01 = 990,415.18 : x
  2. Step 2: Convert to fraction form
    2,696,858.38/4,044,740.01 = 990,415.18/x
  3. Step 3: Cross multiply
    2,696,858.38x = 4,044,740.01 × 990,415.18
  4. Step 4: Simplify right side
    2,696,858.38x = 4,005,971,905,057.35
  5. Step 5: Solve for x
    x = 4,005,971,905,057.35/2,696,858.38
  6. Step 6: Final answer
    x = 1,485,421.68

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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.