Home / 1,871,428.05-2,805,188.36-1,357,852.41

Finding the Fourth Proportional to 1,871,428.05, 2,805,188.36 and 1,357,852.41

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Solution

The fourth proportional to 1,871,428.05, 2,805,188.36 and 1,357,852.41 is: 2,035,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,428.05 : 2,805,188.36 = 1,357,852.41 : x
  2. Step 2: Convert to fraction form
    1,871,428.05/2,805,188.36 = 1,357,852.41/x
  3. Step 3: Cross multiply
    1,871,428.05x = 2,805,188.36 × 1,357,852.41
  4. Step 4: Simplify right side
    1,871,428.05x = 3,809,031,768,340.69
  5. Step 5: Solve for x
    x = 3,809,031,768,340.69/1,871,428.05
  6. Step 6: Final answer
    x = 2,035,361.05

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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.