Home / 1,931,242.23-2,665,081.04-1,071,838.71

Finding the Fourth Proportional to 1,931,242.23, 2,665,081.04 and 1,071,838.71

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Solution

The fourth proportional to 1,931,242.23, 2,665,081.04 and 1,071,838.71 is: 1,479,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,242.23 : 2,665,081.04 = 1,071,838.71 : x
  2. Step 2: Convert to fraction form
    1,931,242.23/2,665,081.04 = 1,071,838.71/x
  3. Step 3: Cross multiply
    1,931,242.23x = 2,665,081.04 × 1,071,838.71
  4. Step 4: Simplify right side
    1,931,242.23x = 2,856,537,018,599.87
  5. Step 5: Solve for x
    x = 2,856,537,018,599.87/1,931,242.23
  6. Step 6: Final answer
    x = 1,479,118.97

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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.