Home / 2,076,354.80-3,111,178.80-1,175,116.40

Finding the Fourth Proportional to 2,076,354.80, 3,111,178.80 and 1,175,116.40

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Solution

The fourth proportional to 2,076,354.80, 3,111,178.80 and 1,175,116.40 is: 1,760,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,354.80 : 3,111,178.80 = 1,175,116.40 : x
  2. Step 2: Convert to fraction form
    2,076,354.80/3,111,178.80 = 1,175,116.40/x
  3. Step 3: Cross multiply
    2,076,354.80x = 3,111,178.80 × 1,175,116.40
  4. Step 4: Simplify right side
    2,076,354.80x = 3,655,997,231,212.32
  5. Step 5: Solve for x
    x = 3,655,997,231,212.32/2,076,354.80
  6. Step 6: Final answer
    x = 1,760,776.74

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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.