Home / 3,058,831.86-4,220,136.63-1,896,860.40

Finding the Fourth Proportional to 3,058,831.86, 4,220,136.63 and 1,896,860.40

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Solution

The fourth proportional to 3,058,831.86, 4,220,136.63 and 1,896,860.40 is: 2,617,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058,831.86 : 4,220,136.63 = 1,896,860.40 : x
  2. Step 2: Convert to fraction form
    3,058,831.86/4,220,136.63 = 1,896,860.40/x
  3. Step 3: Cross multiply
    3,058,831.86x = 4,220,136.63 × 1,896,860.40
  4. Step 4: Simplify right side
    3,058,831.86x = 8,005,010,056,036.45
  5. Step 5: Solve for x
    x = 8,005,010,056,036.45/3,058,831.86
  6. Step 6: Final answer
    x = 2,617,015.39

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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.