Finding the Fourth Proportional to 1,676,583.03, 2,309,277.20 and 1,288,656.63
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Solution
The fourth proportional to 1,676,583.03, 2,309,277.20 and 1,288,656.63 is: 1,774,958.54
Step by Step Solution
- Step 1: Write the proportion equation
1,676,583.03 : 2,309,277.20 = 1,288,656.63 : x - Step 2: Convert to fraction form
1,676,583.03/2,309,277.20 = 1,288,656.63/x - Step 3: Cross multiply
1,676,583.03x = 2,309,277.20 × 1,288,656.63 - Step 4: Simplify right side
1,676,583.03x = 2,975,865,367,844.55 - Step 5: Solve for x
x = 2,975,865,367,844.55/1,676,583.03 - Step 6: Final answer
x = 1,774,958.54
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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.