Home / 1,975,071.60-2,725,766.64-1,115,789.58

Finding the Fourth Proportional to 1,975,071.60, 2,725,766.64 and 1,115,789.58

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Solution

The fourth proportional to 1,975,071.60, 2,725,766.64 and 1,115,789.58 is: 1,539,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,071.60 : 2,725,766.64 = 1,115,789.58 : x
  2. Step 2: Convert to fraction form
    1,975,071.60/2,725,766.64 = 1,115,789.58/x
  3. Step 3: Cross multiply
    1,975,071.60x = 2,725,766.64 × 1,115,789.58
  4. Step 4: Simplify right side
    1,975,071.60x = 3,041,382,014,423.61
  5. Step 5: Solve for x
    x = 3,041,382,014,423.61/1,975,071.60
  6. Step 6: Final answer
    x = 1,539,884.43

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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.