Home / 3,221,661.39-4,445,628.89-1,896,875.61

Finding the Fourth Proportional to 3,221,661.39, 4,445,628.89 and 1,896,875.61

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Solution

The fourth proportional to 3,221,661.39, 4,445,628.89 and 1,896,875.61 is: 2,617,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,661.39 : 4,445,628.89 = 1,896,875.61 : x
  2. Step 2: Convert to fraction form
    3,221,661.39/4,445,628.89 = 1,896,875.61/x
  3. Step 3: Cross multiply
    3,221,661.39x = 4,445,628.89 × 1,896,875.61
  4. Step 4: Simplify right side
    3,221,661.39x = 8,432,805,003,068.00
  5. Step 5: Solve for x
    x = 8,432,805,003,068.00/3,221,661.39
  6. Step 6: Final answer
    x = 2,617,533.00

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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.