Home / 2,912,913.52-4,371,351.72-1,787,547.76

Finding the Fourth Proportional to 2,912,913.52, 4,371,351.72 and 1,787,547.76

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Solution

The fourth proportional to 2,912,913.52, 4,371,351.72 and 1,787,547.76 is: 2,682,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,913.52 : 4,371,351.72 = 1,787,547.76 : x
  2. Step 2: Convert to fraction form
    2,912,913.52/4,371,351.72 = 1,787,547.76/x
  3. Step 3: Cross multiply
    2,912,913.52x = 4,371,351.72 × 1,787,547.76
  4. Step 4: Simplify right side
    2,912,913.52x = 7,813,999,975,258.15
  5. Step 5: Solve for x
    x = 7,813,999,975,258.15/2,912,913.52
  6. Step 6: Final answer
    x = 2,682,537.58

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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.