Home / 5,105,533.31-7,045,637.08-2,782,426.38

Finding the Fourth Proportional to 5,105,533.31, 7,045,637.08 and 2,782,426.38

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Solution

The fourth proportional to 5,105,533.31, 7,045,637.08 and 2,782,426.38 is: 3,839,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,533.31 : 7,045,637.08 = 2,782,426.38 : x
  2. Step 2: Convert to fraction form
    5,105,533.31/7,045,637.08 = 2,782,426.38/x
  3. Step 3: Cross multiply
    5,105,533.31x = 7,045,637.08 × 2,782,426.38
  4. Step 4: Simplify right side
    5,105,533.31x = 19,603,966,475,298.17
  5. Step 5: Solve for x
    x = 19,603,966,475,298.17/5,105,533.31
  6. Step 6: Final answer
    x = 3,839,749.01

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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.