Home / 1,689,831.01-2,331,185.10-1,496,435.80

Finding the Fourth Proportional to 1,689,831.01, 2,331,185.10 and 1,496,435.80

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Solution

The fourth proportional to 1,689,831.01, 2,331,185.10 and 1,496,435.80 is: 2,064,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,831.01 : 2,331,185.10 = 1,496,435.80 : x
  2. Step 2: Convert to fraction form
    1,689,831.01/2,331,185.10 = 1,496,435.80/x
  3. Step 3: Cross multiply
    1,689,831.01x = 2,331,185.10 × 1,496,435.80
  4. Step 4: Simplify right side
    1,689,831.01x = 3,488,468,840,066.58
  5. Step 5: Solve for x
    x = 3,488,468,840,066.58/1,689,831.01
  6. Step 6: Final answer
    x = 2,064,389.17

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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.