Home / 1,913,064.22-2,639,833.25-1,177,901.74

Finding the Fourth Proportional to 1,913,064.22, 2,639,833.25 and 1,177,901.74

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Solution

The fourth proportional to 1,913,064.22, 2,639,833.25 and 1,177,901.74 is: 1,625,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,064.22 : 2,639,833.25 = 1,177,901.74 : x
  2. Step 2: Convert to fraction form
    1,913,064.22/2,639,833.25 = 1,177,901.74/x
  3. Step 3: Cross multiply
    1,913,064.22x = 2,639,833.25 × 1,177,901.74
  4. Step 4: Simplify right side
    1,913,064.22x = 3,109,464,178,484.86
  5. Step 5: Solve for x
    x = 3,109,464,178,484.86/1,913,064.22
  6. Step 6: Final answer
    x = 1,625,384.11

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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.