Home / 1,871,636.80-2,807,455.20-1,635,440.80

Finding the Fourth Proportional to 1,871,636.80, 2,807,455.20 and 1,635,440.80

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Solution

The fourth proportional to 1,871,636.80, 2,807,455.20 and 1,635,440.80 is: 2,453,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,636.80 : 2,807,455.20 = 1,635,440.80 : x
  2. Step 2: Convert to fraction form
    1,871,636.80/2,807,455.20 = 1,635,440.80/x
  3. Step 3: Cross multiply
    1,871,636.80x = 2,807,455.20 × 1,635,440.80
  4. Step 4: Simplify right side
    1,871,636.80x = 4,591,426,778,252.16
  5. Step 5: Solve for x
    x = 4,591,426,778,252.16/1,871,636.80
  6. Step 6: Final answer
    x = 2,453,161.20

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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.