Home / 2,972,040.18-4,101,430.32-1,683,131.76

Finding the Fourth Proportional to 2,972,040.18, 4,101,430.32 and 1,683,131.76

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Solution

The fourth proportional to 2,972,040.18, 4,101,430.32 and 1,683,131.76 is: 2,322,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,040.18 : 4,101,430.32 = 1,683,131.76 : x
  2. Step 2: Convert to fraction form
    2,972,040.18/4,101,430.32 = 1,683,131.76/x
  3. Step 3: Cross multiply
    2,972,040.18x = 4,101,430.32 × 1,683,131.76
  4. Step 4: Simplify right side
    2,972,040.18x = 6,903,247,633,018.96
  5. Step 5: Solve for x
    x = 6,903,247,633,018.96/2,972,040.18
  6. Step 6: Final answer
    x = 2,322,730.25

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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.