Finding the Fourth Proportional to 2,205,304.98, 3,043,394.55 and 1,238,605.62
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Solution
The fourth proportional to 2,205,304.98, 3,043,394.55 and 1,238,605.62 is: 1,709,317.14
Step by Step Solution
- Step 1: Write the proportion equation
2,205,304.98 : 3,043,394.55 = 1,238,605.62 : x - Step 2: Convert to fraction form
2,205,304.98/3,043,394.55 = 1,238,605.62/x - Step 3: Cross multiply
2,205,304.98x = 3,043,394.55 × 1,238,605.62 - Step 4: Simplify right side
2,205,304.98x = 3,769,565,593,507.37 - Step 5: Solve for x
x = 3,769,565,593,507.37/2,205,304.98 - Step 6: Final answer
x = 1,709,317.14
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1.5x scale
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.