Finding the Fourth Proportional to 2,163,194.30, 3,242,503.28 and 814,773.48
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Solution
The fourth proportional to 2,163,194.30, 3,242,503.28 and 814,773.48 is: 1,221,298.37
Step by Step Solution
- Step 1: Write the proportion equation
2,163,194.30 : 3,242,503.28 = 814,773.48 : x - Step 2: Convert to fraction form
2,163,194.30/3,242,503.28 = 814,773.48/x - Step 3: Cross multiply
2,163,194.30x = 3,242,503.28 × 814,773.48 - Step 4: Simplify right side
2,163,194.30x = 2,641,905,681,357.01 - Step 5: Solve for x
x = 2,641,905,681,357.01/2,163,194.30 - Step 6: Final answer
x = 1,221,298.37
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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.