Home / 1,930,706.32-2,664,333.84-1,071,248.08

Finding the Fourth Proportional to 1,930,706.32, 2,664,333.84 and 1,071,248.08

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Solution

The fourth proportional to 1,930,706.32, 2,664,333.84 and 1,071,248.08 is: 1,478,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,706.32 : 2,664,333.84 = 1,071,248.08 : x
  2. Step 2: Convert to fraction form
    1,930,706.32/2,664,333.84 = 1,071,248.08/x
  3. Step 3: Cross multiply
    1,930,706.32x = 2,664,333.84 × 1,071,248.08
  4. Step 4: Simplify right side
    1,930,706.32x = 2,854,162,510,579.03
  5. Step 5: Solve for x
    x = 2,854,162,510,579.03/1,930,706.32
  6. Step 6: Final answer
    x = 1,478,299.67

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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.