Finding the Fourth Proportional to 4,140,545.36, 6,207,124.28 and 1,615,613.20
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Solution
The fourth proportional to 4,140,545.36, 6,207,124.28 and 1,615,613.20 is: 2,421,978.52
Step by Step Solution
- Step 1: Write the proportion equation
4,140,545.36 : 6,207,124.28 = 1,615,613.20 : x - Step 2: Convert to fraction form
4,140,545.36/6,207,124.28 = 1,615,613.20/x - Step 3: Cross multiply
4,140,545.36x = 6,207,124.28 × 1,615,613.20 - Step 4: Simplify right side
4,140,545.36x = 10,028,311,920,808.50 - Step 5: Solve for x
x = 10,028,311,920,808.50/4,140,545.36 - Step 6: Final answer
x = 2,421,978.52
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1.5x scale
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.