Home / 2,778,164.16-4,167,407.52-1,072,317.12

Finding the Fourth Proportional to 2,778,164.16, 4,167,407.52 and 1,072,317.12

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Solution

The fourth proportional to 2,778,164.16, 4,167,407.52 and 1,072,317.12 is: 1,608,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,164.16 : 4,167,407.52 = 1,072,317.12 : x
  2. Step 2: Convert to fraction form
    2,778,164.16/4,167,407.52 = 1,072,317.12/x
  3. Step 3: Cross multiply
    2,778,164.16x = 4,167,407.52 × 1,072,317.12
  4. Step 4: Simplify right side
    2,778,164.16x = 4,468,782,429,712.74
  5. Step 5: Solve for x
    x = 4,468,782,429,712.74/2,778,164.16
  6. Step 6: Final answer
    x = 1,608,537.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.