Home / 2,164,877.90-2,987,488.71-1,198,007.90

Finding the Fourth Proportional to 2,164,877.90, 2,987,488.71 and 1,198,007.90

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Solution

The fourth proportional to 2,164,877.90, 2,987,488.71 and 1,198,007.90 is: 1,653,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,877.90 : 2,987,488.71 = 1,198,007.90 : x
  2. Step 2: Convert to fraction form
    2,164,877.90/2,987,488.71 = 1,198,007.90/x
  3. Step 3: Cross multiply
    2,164,877.90x = 2,987,488.71 × 1,198,007.90
  4. Step 4: Simplify right side
    2,164,877.90x = 3,579,035,075,740.81
  5. Step 5: Solve for x
    x = 3,579,035,075,740.81/2,164,877.90
  6. Step 6: Final answer
    x = 1,653,227.22

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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.