Home / 3,931,477.17-5,427,112.44-2,643,065.06

Finding the Fourth Proportional to 3,931,477.17, 5,427,112.44 and 2,643,065.06

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Solution

The fourth proportional to 3,931,477.17, 5,427,112.44 and 2,643,065.06 is: 3,648,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,477.17 : 5,427,112.44 = 2,643,065.06 : x
  2. Step 2: Convert to fraction form
    3,931,477.17/5,427,112.44 = 2,643,065.06/x
  3. Step 3: Cross multiply
    3,931,477.17x = 5,427,112.44 × 2,643,065.06
  4. Step 4: Simplify right side
    3,931,477.17x = 14,344,211,239,719.79
  5. Step 5: Solve for x
    x = 14,344,211,239,719.79/3,931,477.17
  6. Step 6: Final answer
    x = 3,648,555.14

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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.