Home / 1,384,123.20-2,076,184.80-1,365,460.80

Finding the Fourth Proportional to 1,384,123.20, 2,076,184.80 and 1,365,460.80

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Solution

The fourth proportional to 1,384,123.20, 2,076,184.80 and 1,365,460.80 is: 2,048,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,123.20 : 2,076,184.80 = 1,365,460.80 : x
  2. Step 2: Convert to fraction form
    1,384,123.20/2,076,184.80 = 1,365,460.80/x
  3. Step 3: Cross multiply
    1,384,123.20x = 2,076,184.80 × 1,365,460.80
  4. Step 4: Simplify right side
    1,384,123.20x = 2,834,948,957,955.84
  5. Step 5: Solve for x
    x = 2,834,948,957,955.84/1,384,123.20
  6. Step 6: Final answer
    x = 2,048,191.20

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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.