Home / 3,875,928-5,348,728.40-2,157,048.06

Finding the Fourth Proportional to 3,875,928, 5,348,728.40 and 2,157,048.06

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Solution

The fourth proportional to 3,875,928, 5,348,728.40 and 2,157,048.06 is: 2,976,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,928 : 5,348,728.40 = 2,157,048.06 : x
  2. Step 2: Convert to fraction form
    3,875,928/5,348,728.40 = 2,157,048.06/x
  3. Step 3: Cross multiply
    3,875,928x = 5,348,728.40 × 2,157,048.06
  4. Step 4: Simplify right side
    3,875,928x = 11,537,464,207,901.66
  5. Step 5: Solve for x
    x = 11,537,464,207,901.66/3,875,928
  6. Step 6: Final answer
    x = 2,976,697.25

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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.