Home / 1,539,907.80-2,307,237.30-1,314,209.40

Finding the Fourth Proportional to 1,539,907.80, 2,307,237.30 and 1,314,209.40

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Solution

The fourth proportional to 1,539,907.80, 2,307,237.30 and 1,314,209.40 is: 1,969,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,907.80 : 2,307,237.30 = 1,314,209.40 : x
  2. Step 2: Convert to fraction form
    1,539,907.80/2,307,237.30 = 1,314,209.40/x
  3. Step 3: Cross multiply
    1,539,907.80x = 2,307,237.30 × 1,314,209.40
  4. Step 4: Simplify right side
    1,539,907.80x = 3,032,192,947,690.62
  5. Step 5: Solve for x
    x = 3,032,192,947,690.62/1,539,907.80
  6. Step 6: Final answer
    x = 1,969,074.35

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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.