Home / 2,117,985.51-3,175,114.96-839,490.39

Finding the Fourth Proportional to 2,117,985.51, 3,175,114.96 and 839,490.39

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Solution

The fourth proportional to 2,117,985.51, 3,175,114.96 and 839,490.39 is: 1,258,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,985.51 : 3,175,114.96 = 839,490.39 : x
  2. Step 2: Convert to fraction form
    2,117,985.51/3,175,114.96 = 839,490.39/x
  3. Step 3: Cross multiply
    2,117,985.51x = 3,175,114.96 × 839,490.39
  4. Step 4: Simplify right side
    2,117,985.51x = 2,665,478,496,065.23
  5. Step 5: Solve for x
    x = 2,665,478,496,065.23/2,117,985.51
  6. Step 6: Final answer
    x = 1,258,497.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.