Home / 2,907,210.90-4,011,910.56-1,618,051.62

Finding the Fourth Proportional to 2,907,210.90, 4,011,910.56 and 1,618,051.62

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Solution

The fourth proportional to 2,907,210.90, 4,011,910.56 and 1,618,051.62 is: 2,232,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,210.90 : 4,011,910.56 = 1,618,051.62 : x
  2. Step 2: Convert to fraction form
    2,907,210.90/4,011,910.56 = 1,618,051.62/x
  3. Step 3: Cross multiply
    2,907,210.90x = 4,011,910.56 × 1,618,051.62
  4. Step 4: Simplify right side
    2,907,210.90x = 6,491,478,380,903.11
  5. Step 5: Solve for x
    x = 6,491,478,380,903.11/2,907,210.90
  6. Step 6: Final answer
    x = 2,232,888.70

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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.