Home / 1,980,677.55-2,967,571.80-913,530.90

Finding the Fourth Proportional to 1,980,677.55, 2,967,571.80 and 913,530.90

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Solution

The fourth proportional to 1,980,677.55, 2,967,571.80 and 913,530.90 is: 1,368,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,677.55 : 2,967,571.80 = 913,530.90 : x
  2. Step 2: Convert to fraction form
    1,980,677.55/2,967,571.80 = 913,530.90/x
  3. Step 3: Cross multiply
    1,980,677.55x = 2,967,571.80 × 913,530.90
  4. Step 4: Simplify right side
    1,980,677.55x = 2,710,968,537,268.62
  5. Step 5: Solve for x
    x = 2,710,968,537,268.62/1,980,677.55
  6. Step 6: Final answer
    x = 1,368,707.66

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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.