Home / 1,984,911.10-2,977,366.65-1,801,859.20

Finding the Fourth Proportional to 1,984,911.10, 2,977,366.65 and 1,801,859.20

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Solution

The fourth proportional to 1,984,911.10, 2,977,366.65 and 1,801,859.20 is: 2,702,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,911.10 : 2,977,366.65 = 1,801,859.20 : x
  2. Step 2: Convert to fraction form
    1,984,911.10/2,977,366.65 = 1,801,859.20/x
  3. Step 3: Cross multiply
    1,984,911.10x = 2,977,366.65 × 1,801,859.20
  4. Step 4: Simplify right side
    1,984,911.10x = 5,364,795,490,075.68
  5. Step 5: Solve for x
    x = 5,364,795,490,075.68/1,984,911.10
  6. Step 6: Final answer
    x = 2,702,788.80

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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.