Finding the Fourth Proportional to 2,235,788.64, 3,085,387.44 and 1,217,193.12
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Solution
The fourth proportional to 2,235,788.64, 3,085,387.44 and 1,217,193.12 is: 1,679,726.02
Step by Step Solution
- Step 1: Write the proportion equation
2,235,788.64 : 3,085,387.44 = 1,217,193.12 : x - Step 2: Convert to fraction form
2,235,788.64/3,085,387.44 = 1,217,193.12/x - Step 3: Cross multiply
2,235,788.64x = 3,085,387.44 × 1,217,193.12 - Step 4: Simplify right side
2,235,788.64x = 3,755,512,364,502.41 - Step 5: Solve for x
x = 3,755,512,364,502.41/2,235,788.64 - Step 6: Final answer
x = 1,679,726.02
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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.