Home / 2,005,412.84-3,008,190.56-657,607.40

Finding the Fourth Proportional to 2,005,412.84, 3,008,190.56 and 657,607.40

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Solution

The fourth proportional to 2,005,412.84, 3,008,190.56 and 657,607.40 is: 986,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,412.84 : 3,008,190.56 = 657,607.40 : x
  2. Step 2: Convert to fraction form
    2,005,412.84/3,008,190.56 = 657,607.40/x
  3. Step 3: Cross multiply
    2,005,412.84x = 3,008,190.56 × 657,607.40
  4. Step 4: Simplify right side
    2,005,412.84x = 1,978,208,372,866.14
  5. Step 5: Solve for x
    x = 1,978,208,372,866.14/2,005,412.84
  6. Step 6: Final answer
    x = 986,434.48

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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.