Home / 2,103,918.66-2,902,724.10-1,287,271.02

Finding the Fourth Proportional to 2,103,918.66, 2,902,724.10 and 1,287,271.02

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Solution

The fourth proportional to 2,103,918.66, 2,902,724.10 and 1,287,271.02 is: 1,776,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,918.66 : 2,902,724.10 = 1,287,271.02 : x
  2. Step 2: Convert to fraction form
    2,103,918.66/2,902,724.10 = 1,287,271.02/x
  3. Step 3: Cross multiply
    2,103,918.66x = 2,902,724.10 × 1,287,271.02
  4. Step 4: Simplify right side
    2,103,918.66x = 3,736,592,612,985.58
  5. Step 5: Solve for x
    x = 3,736,592,612,985.58/2,103,918.66
  6. Step 6: Final answer
    x = 1,776,015.72

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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.