Home / 2,868,269.56-3,958,061.75-1,578,858.10

Finding the Fourth Proportional to 2,868,269.56, 3,958,061.75 and 1,578,858.10

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Solution

The fourth proportional to 2,868,269.56, 3,958,061.75 and 1,578,858.10 is: 2,178,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,269.56 : 3,958,061.75 = 1,578,858.10 : x
  2. Step 2: Convert to fraction form
    2,868,269.56/3,958,061.75 = 1,578,858.10/x
  3. Step 3: Cross multiply
    2,868,269.56x = 3,958,061.75 × 1,578,858.10
  4. Step 4: Simplify right side
    2,868,269.56x = 6,249,217,846,393.39
  5. Step 5: Solve for x
    x = 6,249,217,846,393.39/2,868,269.56
  6. Step 6: Final answer
    x = 2,178,741.47

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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.