Home / 3,154,698.40-4,725,826.80-1,888,765.60

Finding the Fourth Proportional to 3,154,698.40, 4,725,826.80 and 1,888,765.60

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Solution

The fourth proportional to 3,154,698.40, 4,725,826.80 and 1,888,765.60 is: 2,829,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,698.40 : 4,725,826.80 = 1,888,765.60 : x
  2. Step 2: Convert to fraction form
    3,154,698.40/4,725,826.80 = 1,888,765.60/x
  3. Step 3: Cross multiply
    3,154,698.40x = 4,725,826.80 × 1,888,765.60
  4. Step 4: Simplify right side
    3,154,698.40x = 8,925,979,091,398.08
  5. Step 5: Solve for x
    x = 8,925,979,091,398.08/3,154,698.40
  6. Step 6: Final answer
    x = 2,829,423.91

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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.