Home / 2,660,907.40-3,991,361.10-1,145,316.40

Finding the Fourth Proportional to 2,660,907.40, 3,991,361.10 and 1,145,316.40

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Solution

The fourth proportional to 2,660,907.40, 3,991,361.10 and 1,145,316.40 is: 1,717,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,907.40 : 3,991,361.10 = 1,145,316.40 : x
  2. Step 2: Convert to fraction form
    2,660,907.40/3,991,361.10 = 1,145,316.40/x
  3. Step 3: Cross multiply
    2,660,907.40x = 3,991,361.10 × 1,145,316.40
  4. Step 4: Simplify right side
    2,660,907.40x = 4,571,371,326,152.04
  5. Step 5: Solve for x
    x = 4,571,371,326,152.04/2,660,907.40
  6. Step 6: Final answer
    x = 1,717,974.60

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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.