Home / 3,420,411.76-4,718,111.64-2,258,868.70

Finding the Fourth Proportional to 3,420,411.76, 4,718,111.64 and 2,258,868.70

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Solution

The fourth proportional to 3,420,411.76, 4,718,111.64 and 2,258,868.70 is: 3,115,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,411.76 : 4,718,111.64 = 2,258,868.70 : x
  2. Step 2: Convert to fraction form
    3,420,411.76/4,718,111.64 = 2,258,868.70/x
  3. Step 3: Cross multiply
    3,420,411.76x = 4,718,111.64 × 2,258,868.70
  4. Step 4: Simplify right side
    3,420,411.76x = 10,657,594,706,701.67
  5. Step 5: Solve for x
    x = 10,657,594,706,701.67/3,420,411.76
  6. Step 6: Final answer
    x = 3,115,880.62

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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.