Home / 2,977,870.12-4,109,825.60-1,754,112.40

Finding the Fourth Proportional to 2,977,870.12, 4,109,825.60 and 1,754,112.40

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Solution

The fourth proportional to 2,977,870.12, 4,109,825.60 and 1,754,112.40 is: 2,420,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,870.12 : 4,109,825.60 = 1,754,112.40 : x
  2. Step 2: Convert to fraction form
    2,977,870.12/4,109,825.60 = 1,754,112.40/x
  3. Step 3: Cross multiply
    2,977,870.12x = 4,109,825.60 × 1,754,112.40
  4. Step 4: Simplify right side
    2,977,870.12x = 7,209,096,046,797.44
  5. Step 5: Solve for x
    x = 7,209,096,046,797.44/2,977,870.12
  6. Step 6: Final answer
    x = 2,420,890.02

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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.