Home / 1,871,511.36-2,583,385.56-1,457,229.12

Finding the Fourth Proportional to 1,871,511.36, 2,583,385.56 and 1,457,229.12

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Solution

The fourth proportional to 1,871,511.36, 2,583,385.56 and 1,457,229.12 is: 2,011,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,511.36 : 2,583,385.56 = 1,457,229.12 : x
  2. Step 2: Convert to fraction form
    1,871,511.36/2,583,385.56 = 1,457,229.12/x
  3. Step 3: Cross multiply
    1,871,511.36x = 2,583,385.56 × 1,457,229.12
  4. Step 4: Simplify right side
    1,871,511.36x = 3,764,584,666,219.51
  5. Step 5: Solve for x
    x = 3,764,584,666,219.51/1,871,511.36
  6. Step 6: Final answer
    x = 2,011,521.14

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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.