Home / 2,133,747.33-2,943,678.18-1,398,878.07

Finding the Fourth Proportional to 2,133,747.33, 2,943,678.18 and 1,398,878.07

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Solution

The fourth proportional to 2,133,747.33, 2,943,678.18 and 1,398,878.07 is: 1,929,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,747.33 : 2,943,678.18 = 1,398,878.07 : x
  2. Step 2: Convert to fraction form
    2,133,747.33/2,943,678.18 = 1,398,878.07/x
  3. Step 3: Cross multiply
    2,133,747.33x = 2,943,678.18 × 1,398,878.07
  4. Step 4: Simplify right side
    2,133,747.33x = 4,117,846,851,139.51
  5. Step 5: Solve for x
    x = 4,117,846,851,139.51/2,133,747.33
  6. Step 6: Final answer
    x = 1,929,866.20

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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.