Home / 5,812,031.28-8,718,808.74-1,920,195.48

Finding the Fourth Proportional to 5,812,031.28, 8,718,808.74 and 1,920,195.48

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Solution

The fourth proportional to 5,812,031.28, 8,718,808.74 and 1,920,195.48 is: 2,880,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812,031.28 : 8,718,808.74 = 1,920,195.48 : x
  2. Step 2: Convert to fraction form
    5,812,031.28/8,718,808.74 = 1,920,195.48/x
  3. Step 3: Cross multiply
    5,812,031.28x = 8,718,808.74 × 1,920,195.48
  4. Step 4: Simplify right side
    5,812,031.28x = 16,741,817,133,532.50
  5. Step 5: Solve for x
    x = 16,741,817,133,532.50/5,812,031.28
  6. Step 6: Final answer
    x = 2,880,544.91

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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.