Home / 2,076,934.80-3,113,069.40-878,653.20

Finding the Fourth Proportional to 2,076,934.80, 3,113,069.40 and 878,653.20

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Solution

The fourth proportional to 2,076,934.80, 3,113,069.40 and 878,653.20 is: 1,316,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,934.80 : 3,113,069.40 = 878,653.20 : x
  2. Step 2: Convert to fraction form
    2,076,934.80/3,113,069.40 = 878,653.20/x
  3. Step 3: Cross multiply
    2,076,934.80x = 3,113,069.40 × 878,653.20
  4. Step 4: Simplify right side
    2,076,934.80x = 2,735,308,390,132.08
  5. Step 5: Solve for x
    x = 2,735,308,390,132.08/2,076,934.80
  6. Step 6: Final answer
    x = 1,316,992.90

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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.