Finding the Fourth Proportional to 4,553,031.72, 6,283,181.70 and 2,515,823.40
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Solution
The fourth proportional to 4,553,031.72, 6,283,181.70 and 2,515,823.40 is: 3,471,835.15
Step by Step Solution
- Step 1: Write the proportion equation
4,553,031.72 : 6,283,181.70 = 2,515,823.40 : x - Step 2: Convert to fraction form
4,553,031.72/6,283,181.70 = 2,515,823.40/x - Step 3: Cross multiply
4,553,031.72x = 6,283,181.70 × 2,515,823.40 - Step 4: Simplify right side
4,553,031.72x = 15,807,375,547,311.78 - Step 5: Solve for x
x = 15,807,375,547,311.78/4,553,031.72 - Step 6: Final answer
x = 3,471,835.15
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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.