Home / 1,947,018.75-2,686,829.30-1,075,839.60

Finding the Fourth Proportional to 1,947,018.75, 2,686,829.30 and 1,075,839.60

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Solution

The fourth proportional to 1,947,018.75, 2,686,829.30 and 1,075,839.60 is: 1,484,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,018.75 : 2,686,829.30 = 1,075,839.60 : x
  2. Step 2: Convert to fraction form
    1,947,018.75/2,686,829.30 = 1,075,839.60/x
  3. Step 3: Cross multiply
    1,947,018.75x = 2,686,829.30 × 1,075,839.60
  4. Step 4: Simplify right side
    1,947,018.75x = 2,890,597,354,001.08
  5. Step 5: Solve for x
    x = 2,890,597,354,001.08/1,947,018.75
  6. Step 6: Final answer
    x = 1,484,627.38

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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.