Finding the Fourth Proportional to 3,326,983.20, 4,987,001.52 and 2,413,959.84
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Solution
The fourth proportional to 3,326,983.20, 4,987,001.52 and 2,413,959.84 is: 3,618,419.65
Step by Step Solution
- Step 1: Write the proportion equation
3,326,983.20 : 4,987,001.52 = 2,413,959.84 : x - Step 2: Convert to fraction form
3,326,983.20/4,987,001.52 = 2,413,959.84/x - Step 3: Cross multiply
3,326,983.20x = 4,987,001.52 × 2,413,959.84 - Step 4: Simplify right side
3,326,983.20x = 12,038,421,391,298.96 - Step 5: Solve for x
x = 12,038,421,391,298.96/3,326,983.20 - Step 6: Final answer
x = 3,618,419.65
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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.