Home / 2,076,821.79-2,866,051.40-1,218,001.47

Finding the Fourth Proportional to 2,076,821.79, 2,866,051.40 and 1,218,001.47

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Solution

The fourth proportional to 2,076,821.79, 2,866,051.40 and 1,218,001.47 is: 1,680,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,821.79 : 2,866,051.40 = 1,218,001.47 : x
  2. Step 2: Convert to fraction form
    2,076,821.79/2,866,051.40 = 1,218,001.47/x
  3. Step 3: Cross multiply
    2,076,821.79x = 2,866,051.40 × 1,218,001.47
  4. Step 4: Simplify right side
    2,076,821.79x = 3,490,854,812,205.55
  5. Step 5: Solve for x
    x = 3,490,854,812,205.55/2,076,821.79
  6. Step 6: Final answer
    x = 1,680,863.92

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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.