Home / 1,908,915.20-2,634,870.87-1,093,661.75

Finding the Fourth Proportional to 1,908,915.20, 2,634,870.87 and 1,093,661.75

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Solution

The fourth proportional to 1,908,915.20, 2,634,870.87 and 1,093,661.75 is: 1,509,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,915.20 : 2,634,870.87 = 1,093,661.75 : x
  2. Step 2: Convert to fraction form
    1,908,915.20/2,634,870.87 = 1,093,661.75/x
  3. Step 3: Cross multiply
    1,908,915.20x = 2,634,870.87 × 1,093,661.75
  4. Step 4: Simplify right side
    1,908,915.20x = 2,881,657,478,474.25
  5. Step 5: Solve for x
    x = 2,881,657,478,474.25/1,908,915.20
  6. Step 6: Final answer
    x = 1,509,578.57

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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.