Home / 1,938,070.56-2,911,836.24-1,830,645.12

Finding the Fourth Proportional to 1,938,070.56, 2,911,836.24 and 1,830,645.12

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Solution

The fourth proportional to 1,938,070.56, 2,911,836.24 and 1,830,645.12 is: 2,750,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,070.56 : 2,911,836.24 = 1,830,645.12 : x
  2. Step 2: Convert to fraction form
    1,938,070.56/2,911,836.24 = 1,830,645.12/x
  3. Step 3: Cross multiply
    1,938,070.56x = 2,911,836.24 × 1,830,645.12
  4. Step 4: Simplify right side
    1,938,070.56x = 5,330,538,802,995.15
  5. Step 5: Solve for x
    x = 5,330,538,802,995.15/1,938,070.56
  6. Step 6: Final answer
    x = 2,750,435.88

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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.