Home / 5,134,239.69-7,084,981.33-2,810,686.76

Finding the Fourth Proportional to 5,134,239.69, 7,084,981.33 and 2,810,686.76

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Solution

The fourth proportional to 5,134,239.69, 7,084,981.33 and 2,810,686.76 is: 3,878,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,239.69 : 7,084,981.33 = 2,810,686.76 : x
  2. Step 2: Convert to fraction form
    5,134,239.69/7,084,981.33 = 2,810,686.76/x
  3. Step 3: Cross multiply
    5,134,239.69x = 7,084,981.33 × 2,810,686.76
  4. Step 4: Simplify right side
    5,134,239.69x = 19,913,663,219,078.19
  5. Step 5: Solve for x
    x = 19,913,663,219,078.19/5,134,239.69
  6. Step 6: Final answer
    x = 3,878,600.23

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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.