Finding the Fourth Proportional to 4,319,750.95, 6,479,998.52 and 1,124,882.93
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Solution
The fourth proportional to 4,319,750.95, 6,479,998.52 and 1,124,882.93 is: 1,687,421.29
Step by Step Solution
- Step 1: Write the proportion equation
4,319,750.95 : 6,479,998.52 = 1,124,882.93 : x - Step 2: Convert to fraction form
4,319,750.95/6,479,998.52 = 1,124,882.93/x - Step 3: Cross multiply
4,319,750.95x = 6,479,998.52 × 1,124,882.93 - Step 4: Simplify right side
4,319,750.95x = 7,289,239,732,148.85 - Step 5: Solve for x
x = 7,289,239,732,148.85/4,319,750.95 - Step 6: Final answer
x = 1,687,421.29
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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.