Home / 3,071,688-4,238,404.56-1,782,232.80

Finding the Fourth Proportional to 3,071,688, 4,238,404.56 and 1,782,232.80

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Solution

The fourth proportional to 3,071,688, 4,238,404.56 and 1,782,232.80 is: 2,459,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,688 : 4,238,404.56 = 1,782,232.80 : x
  2. Step 2: Convert to fraction form
    3,071,688/4,238,404.56 = 1,782,232.80/x
  3. Step 3: Cross multiply
    3,071,688x = 4,238,404.56 × 1,782,232.80
  4. Step 4: Simplify right side
    3,071,688x = 7,553,823,626,501.57
  5. Step 5: Solve for x
    x = 7,553,823,626,501.57/3,071,688
  6. Step 6: Final answer
    x = 2,459,176.72

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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.