Home / 2,780,920.40-3,838,058.79-2,009,048.37

Finding the Fourth Proportional to 2,780,920.40, 3,838,058.79 and 2,009,048.37

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Solution

The fourth proportional to 2,780,920.40, 3,838,058.79 and 2,009,048.37 is: 2,772,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,920.40 : 3,838,058.79 = 2,009,048.37 : x
  2. Step 2: Convert to fraction form
    2,780,920.40/3,838,058.79 = 2,009,048.37/x
  3. Step 3: Cross multiply
    2,780,920.40x = 3,838,058.79 × 2,009,048.37
  4. Step 4: Simplify right side
    2,780,920.40x = 7,710,845,745,387.92
  5. Step 5: Solve for x
    x = 7,710,845,745,387.92/2,780,920.40
  6. Step 6: Final answer
    x = 2,772,767.51

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1.5x scale

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.