Home / 2,778,171.36-4,164,415.32-1,879,707.96

Finding the Fourth Proportional to 2,778,171.36, 4,164,415.32 and 1,879,707.96

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Solution

The fourth proportional to 2,778,171.36, 4,164,415.32 and 1,879,707.96 is: 2,817,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,171.36 : 4,164,415.32 = 1,879,707.96 : x
  2. Step 2: Convert to fraction form
    2,778,171.36/4,164,415.32 = 1,879,707.96/x
  3. Step 3: Cross multiply
    2,778,171.36x = 4,164,415.32 × 1,879,707.96
  4. Step 4: Simplify right side
    2,778,171.36x = 7,827,884,625,749.95
  5. Step 5: Solve for x
    x = 7,827,884,625,749.95/2,778,171.36
  6. Step 6: Final answer
    x = 2,817,639.24

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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.