Home / 5,101,491.24-7,039,914.12-2,778,331.32

Finding the Fourth Proportional to 5,101,491.24, 7,039,914.12 and 2,778,331.32

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Solution

The fourth proportional to 5,101,491.24, 7,039,914.12 and 2,778,331.32 is: 3,834,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,491.24 : 7,039,914.12 = 2,778,331.32 : x
  2. Step 2: Convert to fraction form
    5,101,491.24/7,039,914.12 = 2,778,331.32/x
  3. Step 3: Cross multiply
    5,101,491.24x = 7,039,914.12 × 2,778,331.32
  4. Step 4: Simplify right side
    5,101,491.24x = 19,559,213,889,706.24
  5. Step 5: Solve for x
    x = 19,559,213,889,706.24/5,101,491.24
  6. Step 6: Final answer
    x = 3,834,018.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.