Home / 2,670,915.18-3,685,931.56-1,638,993.09

Finding the Fourth Proportional to 2,670,915.18, 3,685,931.56 and 1,638,993.09

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Solution

The fourth proportional to 2,670,915.18, 3,685,931.56 and 1,638,993.09 is: 2,261,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,915.18 : 3,685,931.56 = 1,638,993.09 : x
  2. Step 2: Convert to fraction form
    2,670,915.18/3,685,931.56 = 1,638,993.09/x
  3. Step 3: Cross multiply
    2,670,915.18x = 3,685,931.56 × 1,638,993.09
  4. Step 4: Simplify right side
    2,670,915.18x = 6,041,216,357,052.92
  5. Step 5: Solve for x
    x = 6,041,216,357,052.92/2,670,915.18
  6. Step 6: Final answer
    x = 2,261,852.57

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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.