Home / 3,931,477.36-5,427,112.74-2,643,065

Finding the Fourth Proportional to 3,931,477.36, 5,427,112.74 and 2,643,065

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Solution

The fourth proportional to 3,931,477.36, 5,427,112.74 and 2,643,065 is: 3,648,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,477.36 : 5,427,112.74 = 2,643,065 : x
  2. Step 2: Convert to fraction form
    3,931,477.36/5,427,112.74 = 2,643,065/x
  3. Step 3: Cross multiply
    3,931,477.36x = 5,427,112.74 × 2,643,065
  4. Step 4: Simplify right side
    3,931,477.36x = 14,344,211,734,148.10
  5. Step 5: Solve for x
    x = 14,344,211,734,148.10/3,931,477.36
  6. Step 6: Final answer
    x = 3,648,555.09

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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.