Home / 2,205,343.80-3,308,015.70-2,186,681.40

Finding the Fourth Proportional to 2,205,343.80, 3,308,015.70 and 2,186,681.40

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Solution

The fourth proportional to 2,205,343.80, 3,308,015.70 and 2,186,681.40 is: 3,280,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,343.80 : 3,308,015.70 = 2,186,681.40 : x
  2. Step 2: Convert to fraction form
    2,205,343.80/3,308,015.70 = 2,186,681.40/x
  3. Step 3: Cross multiply
    2,205,343.80x = 3,308,015.70 × 2,186,681.40
  4. Step 4: Simplify right side
    2,205,343.80x = 7,233,576,402,097.98
  5. Step 5: Solve for x
    x = 7,233,576,402,097.98/2,205,343.80
  6. Step 6: Final answer
    x = 3,280,022.10

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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.