Finding the Fourth Proportional to 2,281,686.69, 3,148,764.77 and 1,249,177.05
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Solution
The fourth proportional to 2,281,686.69, 3,148,764.77 and 1,249,177.05 is: 1,723,884.66
Step by Step Solution
- Step 1: Write the proportion equation
2,281,686.69 : 3,148,764.77 = 1,249,177.05 : x - Step 2: Convert to fraction form
2,281,686.69/3,148,764.77 = 1,249,177.05/x - Step 3: Cross multiply
2,281,686.69x = 3,148,764.77 × 1,249,177.05 - Step 4: Simplify right side
2,281,686.69x = 3,933,364,680,286.64 - Step 5: Solve for x
x = 3,933,364,680,286.64/2,281,686.69 - Step 6: Final answer
x = 1,723,884.66
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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.