Home / 3,116,994.78-4,300,721.91-1,893,266.22

Finding the Fourth Proportional to 3,116,994.78, 4,300,721.91 and 1,893,266.22

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Solution

The fourth proportional to 3,116,994.78, 4,300,721.91 and 1,893,266.22 is: 2,612,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,994.78 : 4,300,721.91 = 1,893,266.22 : x
  2. Step 2: Convert to fraction form
    3,116,994.78/4,300,721.91 = 1,893,266.22/x
  3. Step 3: Cross multiply
    3,116,994.78x = 4,300,721.91 × 1,893,266.22
  4. Step 4: Simplify right side
    3,116,994.78x = 8,142,411,513,816.88
  5. Step 5: Solve for x
    x = 8,142,411,513,816.88/3,116,994.78
  6. Step 6: Final answer
    x = 2,612,263.44

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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.