Finding the Fourth Proportional to 2,855,120.48, 3,940,210.87 and 1,566,081.08
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Solution
The fourth proportional to 2,855,120.48, 3,940,210.87 and 1,566,081.08 is: 2,161,271.21
Step by Step Solution
- Step 1: Write the proportion equation
2,855,120.48 : 3,940,210.87 = 1,566,081.08 : x - Step 2: Convert to fraction form
2,855,120.48/3,940,210.87 = 1,566,081.08/x - Step 3: Cross multiply
2,855,120.48x = 3,940,210.87 × 1,566,081.08 - Step 4: Simplify right side
2,855,120.48x = 6,170,689,671,101.08 - Step 5: Solve for x
x = 6,170,689,671,101.08/2,855,120.48 - Step 6: Final answer
x = 2,161,271.21
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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.