Home / 1,913,062.98-2,639,831.54-1,177,900.50

Finding the Fourth Proportional to 1,913,062.98, 2,639,831.54 and 1,177,900.50

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Solution

The fourth proportional to 1,913,062.98, 2,639,831.54 and 1,177,900.50 is: 1,625,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,062.98 : 2,639,831.54 = 1,177,900.50 : x
  2. Step 2: Convert to fraction form
    1,913,062.98/2,639,831.54 = 1,177,900.50/x
  3. Step 3: Cross multiply
    1,913,062.98x = 2,639,831.54 × 1,177,900.50
  4. Step 4: Simplify right side
    1,913,062.98x = 3,109,458,890,881.77
  5. Step 5: Solve for x
    x = 3,109,458,890,881.77/1,913,062.98
  6. Step 6: Final answer
    x = 1,625,382.40

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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.