Home / 2,838,917.80-4,258,376.70-1,831,148.20

Finding the Fourth Proportional to 2,838,917.80, 4,258,376.70 and 1,831,148.20

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Solution

The fourth proportional to 2,838,917.80, 4,258,376.70 and 1,831,148.20 is: 2,746,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,917.80 : 4,258,376.70 = 1,831,148.20 : x
  2. Step 2: Convert to fraction form
    2,838,917.80/4,258,376.70 = 1,831,148.20/x
  3. Step 3: Cross multiply
    2,838,917.80x = 4,258,376.70 × 1,831,148.20
  4. Step 4: Simplify right side
    2,838,917.80x = 7,797,718,829,126.94
  5. Step 5: Solve for x
    x = 7,797,718,829,126.94/2,838,917.80
  6. Step 6: Final answer
    x = 2,746,722.30

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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.