Home / 1,980,653.50-2,733,334.95-1,075,235.50

Finding the Fourth Proportional to 1,980,653.50, 2,733,334.95 and 1,075,235.50

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Solution

The fourth proportional to 1,980,653.50, 2,733,334.95 and 1,075,235.50 is: 1,483,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,653.50 : 2,733,334.95 = 1,075,235.50 : x
  2. Step 2: Convert to fraction form
    1,980,653.50/2,733,334.95 = 1,075,235.50/x
  3. Step 3: Cross multiply
    1,980,653.50x = 2,733,334.95 × 1,075,235.50
  4. Step 4: Simplify right side
    1,980,653.50x = 2,938,978,771,630.73
  5. Step 5: Solve for x
    x = 2,938,978,771,630.73/1,980,653.50
  6. Step 6: Final answer
    x = 1,483,842.97

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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.