Home / 1,865,412.80-2,798,119.20-1,644,963.20

Finding the Fourth Proportional to 1,865,412.80, 2,798,119.20 and 1,644,963.20

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Solution

The fourth proportional to 1,865,412.80, 2,798,119.20 and 1,644,963.20 is: 2,467,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,412.80 : 2,798,119.20 = 1,644,963.20 : x
  2. Step 2: Convert to fraction form
    1,865,412.80/2,798,119.20 = 1,644,963.20/x
  3. Step 3: Cross multiply
    1,865,412.80x = 2,798,119.20 × 1,644,963.20
  4. Step 4: Simplify right side
    1,865,412.80x = 4,602,803,113,213.44
  5. Step 5: Solve for x
    x = 4,602,803,113,213.44/1,865,412.80
  6. Step 6: Final answer
    x = 2,467,444.80

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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.