Home / 2,129,486.24-2,938,241.90-1,354,837.34

Finding the Fourth Proportional to 2,129,486.24, 2,938,241.90 and 1,354,837.34

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Solution

The fourth proportional to 2,129,486.24, 2,938,241.90 and 1,354,837.34 is: 1,869,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,486.24 : 2,938,241.90 = 1,354,837.34 : x
  2. Step 2: Convert to fraction form
    2,129,486.24/2,938,241.90 = 1,354,837.34/x
  3. Step 3: Cross multiply
    2,129,486.24x = 2,938,241.90 × 1,354,837.34
  4. Step 4: Simplify right side
    2,129,486.24x = 3,980,839,818,607.15
  5. Step 5: Solve for x
    x = 3,980,839,818,607.15/2,129,486.24
  6. Step 6: Final answer
    x = 1,869,389.79

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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.