Finding the Fourth Proportional to 5,473,437.30, 8,209,378.35 and 1,687,302.90
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Solution
The fourth proportional to 5,473,437.30, 8,209,378.35 and 1,687,302.90 is: 2,530,714.64
Step by Step Solution
- Step 1: Write the proportion equation
5,473,437.30 : 8,209,378.35 = 1,687,302.90 : x - Step 2: Convert to fraction form
5,473,437.30/8,209,378.35 = 1,687,302.90/x - Step 3: Cross multiply
5,473,437.30x = 8,209,378.35 × 1,687,302.90 - Step 4: Simplify right side
5,473,437.30x = 13,851,707,897,152.21 - Step 5: Solve for x
x = 13,851,707,897,152.21/5,473,437.30 - Step 6: Final answer
x = 2,530,714.64
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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.