Home / 6,501,478.70-8,972,106.55-3,922,661.25

Finding the Fourth Proportional to 6,501,478.70, 8,972,106.55 and 3,922,661.25

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Solution

The fourth proportional to 6,501,478.70, 8,972,106.55 and 3,922,661.25 is: 5,413,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501,478.70 : 8,972,106.55 = 3,922,661.25 : x
  2. Step 2: Convert to fraction form
    6,501,478.70/8,972,106.55 = 3,922,661.25/x
  3. Step 3: Cross multiply
    6,501,478.70x = 8,972,106.55 × 3,922,661.25
  4. Step 4: Simplify right side
    6,501,478.70x = 35,194,534,684,749.53
  5. Step 5: Solve for x
    x = 35,194,534,684,749.53/6,501,478.70
  6. Step 6: Final answer
    x = 5,413,312.31

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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.