Home / 2,909,605.32-4,015,379.79-1,620,445.50

Finding the Fourth Proportional to 2,909,605.32, 4,015,379.79 and 1,620,445.50

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Solution

The fourth proportional to 2,909,605.32, 4,015,379.79 and 1,620,445.50 is: 2,236,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,605.32 : 4,015,379.79 = 1,620,445.50 : x
  2. Step 2: Convert to fraction form
    2,909,605.32/4,015,379.79 = 1,620,445.50/x
  3. Step 3: Cross multiply
    2,909,605.32x = 4,015,379.79 × 1,620,445.50
  4. Step 4: Simplify right side
    2,909,605.32x = 6,506,704,111,496.45
  5. Step 5: Solve for x
    x = 6,506,704,111,496.45/2,909,605.32
  6. Step 6: Final answer
    x = 2,236,284.10

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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.