Home / 2,812,312.58-3,880,972.04-1,523,123.46

Finding the Fourth Proportional to 2,812,312.58, 3,880,972.04 and 1,523,123.46

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Solution

The fourth proportional to 2,812,312.58, 3,880,972.04 and 1,523,123.46 is: 2,101,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,312.58 : 3,880,972.04 = 1,523,123.46 : x
  2. Step 2: Convert to fraction form
    2,812,312.58/3,880,972.04 = 1,523,123.46/x
  3. Step 3: Cross multiply
    2,812,312.58x = 3,880,972.04 × 1,523,123.46
  4. Step 4: Simplify right side
    2,812,312.58x = 5,911,199,554,112.44
  5. Step 5: Solve for x
    x = 5,911,199,554,112.44/2,812,312.58
  6. Step 6: Final answer
    x = 2,101,899.91

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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.