Home / 2,812,973.49-3,881,915.30-1,523,813.87

Finding the Fourth Proportional to 2,812,973.49, 3,881,915.30 and 1,523,813.87

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Solution

The fourth proportional to 2,812,973.49, 3,881,915.30 and 1,523,813.87 is: 2,102,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,973.49 : 3,881,915.30 = 1,523,813.87 : x
  2. Step 2: Convert to fraction form
    2,812,973.49/3,881,915.30 = 1,523,813.87/x
  3. Step 3: Cross multiply
    2,812,973.49x = 3,881,915.30 × 1,523,813.87
  4. Step 4: Simplify right side
    2,812,973.49x = 5,915,316,376,305.21
  5. Step 5: Solve for x
    x = 5,915,316,376,305.21/2,812,973.49
  6. Step 6: Final answer
    x = 2,102,869.58

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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.