Home / 2,129,338.56-2,938,531.80-1,162,509.60

Finding the Fourth Proportional to 2,129,338.56, 2,938,531.80 and 1,162,509.60

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Solution

The fourth proportional to 2,129,338.56, 2,938,531.80 and 1,162,509.60 is: 1,604,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,338.56 : 2,938,531.80 = 1,162,509.60 : x
  2. Step 2: Convert to fraction form
    2,129,338.56/2,938,531.80 = 1,162,509.60/x
  3. Step 3: Cross multiply
    2,129,338.56x = 2,938,531.80 × 1,162,509.60
  4. Step 4: Simplify right side
    2,129,338.56x = 3,416,071,427,405.28
  5. Step 5: Solve for x
    x = 3,416,071,427,405.28/2,129,338.56
  6. Step 6: Final answer
    x = 1,604,287.59

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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.