Home / 2,076,078.40-3,111,784.80-1,064,809.60

Finding the Fourth Proportional to 2,076,078.40, 3,111,784.80 and 1,064,809.60

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Solution

The fourth proportional to 2,076,078.40, 3,111,784.80 and 1,064,809.60 is: 1,596,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,078.40 : 3,111,784.80 = 1,064,809.60 : x
  2. Step 2: Convert to fraction form
    2,076,078.40/3,111,784.80 = 1,064,809.60/x
  3. Step 3: Cross multiply
    2,076,078.40x = 3,111,784.80 × 1,064,809.60
  4. Step 4: Simplify right side
    2,076,078.40x = 3,313,458,328,174.08
  5. Step 5: Solve for x
    x = 3,313,458,328,174.08/2,076,078.40
  6. Step 6: Final answer
    x = 1,596,017.92

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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.