Home / 2,939,670.40-4,410,135.88-1,020,642.30

Finding the Fourth Proportional to 2,939,670.40, 4,410,135.88 and 1,020,642.30

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Solution

The fourth proportional to 2,939,670.40, 4,410,135.88 and 1,020,642.30 is: 1,531,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,670.40 : 4,410,135.88 = 1,020,642.30 : x
  2. Step 2: Convert to fraction form
    2,939,670.40/4,410,135.88 = 1,020,642.30/x
  3. Step 3: Cross multiply
    2,939,670.40x = 4,410,135.88 × 1,020,642.30
  4. Step 4: Simplify right side
    2,939,670.40x = 4,501,171,227,875.72
  5. Step 5: Solve for x
    x = 4,501,171,227,875.72/2,939,670.40
  6. Step 6: Final answer
    x = 1,531,182.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.