Home / 2,938,172.64-4,054,686.68-1,631,427.51

Finding the Fourth Proportional to 2,938,172.64, 4,054,686.68 and 1,631,427.51

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Solution

The fourth proportional to 2,938,172.64, 4,054,686.68 and 1,631,427.51 is: 2,251,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,172.64 : 4,054,686.68 = 1,631,427.51 : x
  2. Step 2: Convert to fraction form
    2,938,172.64/4,054,686.68 = 1,631,427.51/x
  3. Step 3: Cross multiply
    2,938,172.64x = 4,054,686.68 × 1,631,427.51
  4. Step 4: Simplify right side
    2,938,172.64x = 6,614,927,383,056.06
  5. Step 5: Solve for x
    x = 6,614,927,383,056.06/2,938,172.64
  6. Step 6: Final answer
    x = 2,251,374.64

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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.