Home / 2,810,765.79-3,878,858.10-1,521,606.18

Finding the Fourth Proportional to 2,810,765.79, 3,878,858.10 and 1,521,606.18

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Solution

The fourth proportional to 2,810,765.79, 3,878,858.10 and 1,521,606.18 is: 2,099,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,765.79 : 3,878,858.10 = 1,521,606.18 : x
  2. Step 2: Convert to fraction form
    2,810,765.79/3,878,858.10 = 1,521,606.18/x
  3. Step 3: Cross multiply
    2,810,765.79x = 3,878,858.10 × 1,521,606.18
  4. Step 4: Simplify right side
    2,810,765.79x = 5,902,094,456,303.06
  5. Step 5: Solve for x
    x = 5,902,094,456,303.06/2,810,765.79
  6. Step 6: Final answer
    x = 2,099,817.24

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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.