Home / 2,153,347.32-2,971,686.60-1,235,744.40

Finding the Fourth Proportional to 2,153,347.32, 2,971,686.60 and 1,235,744.40

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Solution

The fourth proportional to 2,153,347.32, 2,971,686.60 and 1,235,744.40 is: 1,705,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,347.32 : 2,971,686.60 = 1,235,744.40 : x
  2. Step 2: Convert to fraction form
    2,153,347.32/2,971,686.60 = 1,235,744.40/x
  3. Step 3: Cross multiply
    2,153,347.32x = 2,971,686.60 × 1,235,744.40
  4. Step 4: Simplify right side
    2,153,347.32x = 3,672,245,074,505.04
  5. Step 5: Solve for x
    x = 3,672,245,074,505.04/2,153,347.32
  6. Step 6: Final answer
    x = 1,705,365.89

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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.