Home / 3,459,832.40-4,774,579.08-1,931,995.28

Finding the Fourth Proportional to 3,459,832.40, 4,774,579.08 and 1,931,995.28

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Solution

The fourth proportional to 3,459,832.40, 4,774,579.08 and 1,931,995.28 is: 2,666,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,832.40 : 4,774,579.08 = 1,931,995.28 : x
  2. Step 2: Convert to fraction form
    3,459,832.40/4,774,579.08 = 1,931,995.28/x
  3. Step 3: Cross multiply
    3,459,832.40x = 4,774,579.08 × 1,931,995.28
  4. Step 4: Simplify right side
    3,459,832.40x = 9,224,464,246,546.74
  5. Step 5: Solve for x
    x = 9,224,464,246,546.74/3,459,832.40
  6. Step 6: Final answer
    x = 2,666,159.28

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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.