Home / 3,825,886.65-5,279,688.59-2,106,970.26

Finding the Fourth Proportional to 3,825,886.65, 5,279,688.59 and 2,106,970.26

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Solution

The fourth proportional to 3,825,886.65, 5,279,688.59 and 2,106,970.26 is: 2,907,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,886.65 : 5,279,688.59 = 2,106,970.26 : x
  2. Step 2: Convert to fraction form
    3,825,886.65/5,279,688.59 = 2,106,970.26/x
  3. Step 3: Cross multiply
    3,825,886.65x = 5,279,688.59 × 2,106,970.26
  4. Step 4: Simplify right side
    3,825,886.65x = 11,124,146,830,656.48
  5. Step 5: Solve for x
    x = 11,124,146,830,656.48/3,825,886.65
  6. Step 6: Final answer
    x = 2,907,599.69

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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.