Home / 2,136,106.87-2,947,831.81-1,169,298.86

Finding the Fourth Proportional to 2,136,106.87, 2,947,831.81 and 1,169,298.86

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Solution

The fourth proportional to 2,136,106.87, 2,947,831.81 and 1,169,298.86 is: 1,613,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,106.87 : 2,947,831.81 = 1,169,298.86 : x
  2. Step 2: Convert to fraction form
    2,136,106.87/2,947,831.81 = 1,169,298.86/x
  3. Step 3: Cross multiply
    2,136,106.87x = 2,947,831.81 × 1,169,298.86
  4. Step 4: Simplify right side
    2,136,106.87x = 3,446,896,374,904.74
  5. Step 5: Solve for x
    x = 3,446,896,374,904.74/2,136,106.87
  6. Step 6: Final answer
    x = 1,613,634.80

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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.