Home / 1,871,282.70-2,582,330.76-1,107,582.30

Finding the Fourth Proportional to 1,871,282.70, 2,582,330.76 and 1,107,582.30

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Solution

The fourth proportional to 1,871,282.70, 2,582,330.76 and 1,107,582.30 is: 1,528,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,282.70 : 2,582,330.76 = 1,107,582.30 : x
  2. Step 2: Convert to fraction form
    1,871,282.70/2,582,330.76 = 1,107,582.30/x
  3. Step 3: Cross multiply
    1,871,282.70x = 2,582,330.76 × 1,107,582.30
  4. Step 4: Simplify right side
    1,871,282.70x = 2,860,143,842,521.55
  5. Step 5: Solve for x
    x = 2,860,143,842,521.55/1,871,282.70
  6. Step 6: Final answer
    x = 1,528,440.27

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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.