Home / 1,916,268.84-2,875,170.08-779,118.45

Finding the Fourth Proportional to 1,916,268.84, 2,875,170.08 and 779,118.45

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Solution

The fourth proportional to 1,916,268.84, 2,875,170.08 and 779,118.45 is: 1,168,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,268.84 : 2,875,170.08 = 779,118.45 : x
  2. Step 2: Convert to fraction form
    1,916,268.84/2,875,170.08 = 779,118.45/x
  3. Step 3: Cross multiply
    1,916,268.84x = 2,875,170.08 × 779,118.45
  4. Step 4: Simplify right side
    1,916,268.84x = 2,240,098,042,999.34
  5. Step 5: Solve for x
    x = 2,240,098,042,999.34/1,916,268.84
  6. Step 6: Final answer
    x = 1,168,989.44

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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.