Finding the Fourth Proportional to 1,816,393.75, 2,506,701.14 and 1,011,577.75
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Solution
The fourth proportional to 1,816,393.75, 2,506,701.14 and 1,011,577.75 is: 1,396,020.60
Step by Step Solution
- Step 1: Write the proportion equation
1,816,393.75 : 2,506,701.14 = 1,011,577.75 : x - Step 2: Convert to fraction form
1,816,393.75/2,506,701.14 = 1,011,577.75/x - Step 3: Cross multiply
1,816,393.75x = 2,506,701.14 × 1,011,577.75 - Step 4: Simplify right side
1,816,393.75x = 2,535,723,099,123.64 - Step 5: Solve for x
x = 2,535,723,099,123.64/1,816,393.75 - Step 6: Final answer
x = 1,396,020.60
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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.