Home / 1,699,698.90-2,543,643.45-1,557,981.30

Finding the Fourth Proportional to 1,699,698.90, 2,543,643.45 and 1,557,981.30

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Solution

The fourth proportional to 1,699,698.90, 2,543,643.45 and 1,557,981.30 is: 2,331,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,698.90 : 2,543,643.45 = 1,557,981.30 : x
  2. Step 2: Convert to fraction form
    1,699,698.90/2,543,643.45 = 1,557,981.30/x
  3. Step 3: Cross multiply
    1,699,698.90x = 2,543,643.45 × 1,557,981.30
  4. Step 4: Simplify right side
    1,699,698.90x = 3,962,948,928,967.49
  5. Step 5: Solve for x
    x = 3,962,948,928,967.49/1,699,698.90
  6. Step 6: Final answer
    x = 2,331,559.39

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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.