Home / 2,076,821.04-2,866,050.36-1,218,000.72

Finding the Fourth Proportional to 2,076,821.04, 2,866,050.36 and 1,218,000.72

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Solution

The fourth proportional to 2,076,821.04, 2,866,050.36 and 1,218,000.72 is: 1,680,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,821.04 : 2,866,050.36 = 1,218,000.72 : x
  2. Step 2: Convert to fraction form
    2,076,821.04/2,866,050.36 = 1,218,000.72/x
  3. Step 3: Cross multiply
    2,076,821.04x = 2,866,050.36 × 1,218,000.72
  4. Step 4: Simplify right side
    2,076,821.04x = 3,490,851,402,036.26
  5. Step 5: Solve for x
    x = 3,490,851,402,036.26/2,076,821.04
  6. Step 6: Final answer
    x = 1,680,862.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.