Home / 3,154,622.40-4,725,712.80-1,888,689.60

Finding the Fourth Proportional to 3,154,622.40, 4,725,712.80 and 1,888,689.60

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Solution

The fourth proportional to 3,154,622.40, 4,725,712.80 and 1,888,689.60 is: 2,829,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,622.40 : 4,725,712.80 = 1,888,689.60 : x
  2. Step 2: Convert to fraction form
    3,154,622.40/4,725,712.80 = 1,888,689.60/x
  3. Step 3: Cross multiply
    3,154,622.40x = 4,725,712.80 × 1,888,689.60
  4. Step 4: Simplify right side
    3,154,622.40x = 8,925,404,617,946.88
  5. Step 5: Solve for x
    x = 8,925,404,617,946.88/3,154,622.40
  6. Step 6: Final answer
    x = 2,829,309.97

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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.