Home / 2,916,667.71-4,025,001.71-1,609,920.16

Finding the Fourth Proportional to 2,916,667.71, 4,025,001.71 and 1,609,920.16

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Solution

The fourth proportional to 2,916,667.71, 4,025,001.71 and 1,609,920.16 is: 2,221,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,667.71 : 4,025,001.71 = 1,609,920.16 : x
  2. Step 2: Convert to fraction form
    2,916,667.71/4,025,001.71 = 1,609,920.16/x
  3. Step 3: Cross multiply
    2,916,667.71x = 4,025,001.71 × 1,609,920.16
  4. Step 4: Simplify right side
    2,916,667.71x = 6,479,931,390,925.77
  5. Step 5: Solve for x
    x = 6,479,931,390,925.77/2,916,667.71
  6. Step 6: Final answer
    x = 2,221,689.97

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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.