Home / 3,460,215.64-4,775,232.72-1,911,557.20

Finding the Fourth Proportional to 3,460,215.64, 4,775,232.72 and 1,911,557.20

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Solution

The fourth proportional to 3,460,215.64, 4,775,232.72 and 1,911,557.20 is: 2,638,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,215.64 : 4,775,232.72 = 1,911,557.20 : x
  2. Step 2: Convert to fraction form
    3,460,215.64/4,775,232.72 = 1,911,557.20/x
  3. Step 3: Cross multiply
    3,460,215.64x = 4,775,232.72 × 1,911,557.20
  4. Step 4: Simplify right side
    3,460,215.64x = 9,128,130,487,591.58
  5. Step 5: Solve for x
    x = 9,128,130,487,591.58/3,460,215.64
  6. Step 6: Final answer
    x = 2,638,023.59

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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.