Home / 2,153,740.44-2,972,123.58-1,173,688.20

Finding the Fourth Proportional to 2,153,740.44, 2,972,123.58 and 1,173,688.20

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Solution

The fourth proportional to 2,153,740.44, 2,972,123.58 and 1,173,688.20 is: 1,619,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,740.44 : 2,972,123.58 = 1,173,688.20 : x
  2. Step 2: Convert to fraction form
    2,153,740.44/2,972,123.58 = 1,173,688.20/x
  3. Step 3: Cross multiply
    2,153,740.44x = 2,972,123.58 × 1,173,688.20
  4. Step 4: Simplify right side
    2,153,740.44x = 3,488,346,374,787.76
  5. Step 5: Solve for x
    x = 3,488,346,374,787.76/2,153,740.44
  6. Step 6: Final answer
    x = 1,619,668.88

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1.5x scale

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.