Home / 3,842,852.79-5,303,411.91-2,123,936.40

Finding the Fourth Proportional to 3,842,852.79, 5,303,411.91 and 2,123,936.40

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Solution

The fourth proportional to 3,842,852.79, 5,303,411.91 and 2,123,936.40 is: 2,931,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,852.79 : 5,303,411.91 = 2,123,936.40 : x
  2. Step 2: Convert to fraction form
    3,842,852.79/5,303,411.91 = 2,123,936.40/x
  3. Step 3: Cross multiply
    3,842,852.79x = 5,303,411.91 × 2,123,936.40
  4. Step 4: Simplify right side
    3,842,852.79x = 11,264,109,599,842.52
  5. Step 5: Solve for x
    x = 11,264,109,599,842.52/3,842,852.79
  6. Step 6: Final answer
    x = 2,931,184.26

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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.