Home / 2,871,911.40-3,963,237.76-1,582,751.80

Finding the Fourth Proportional to 2,871,911.40, 3,963,237.76 and 1,582,751.80

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Solution

The fourth proportional to 2,871,911.40, 3,963,237.76 and 1,582,751.80 is: 2,184,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,911.40 : 3,963,237.76 = 1,582,751.80 : x
  2. Step 2: Convert to fraction form
    2,871,911.40/3,963,237.76 = 1,582,751.80/x
  3. Step 3: Cross multiply
    2,871,911.40x = 3,963,237.76 × 1,582,751.80
  4. Step 4: Simplify right side
    2,871,911.40x = 6,272,821,698,467.97
  5. Step 5: Solve for x
    x = 6,272,821,698,467.97/2,871,911.40
  6. Step 6: Final answer
    x = 2,184,197.50

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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.