Finding the Fourth Proportional to 2,479,731.16, 3,716,044.62 and 1,412,569.88
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Solution
The fourth proportional to 2,479,731.16, 3,716,044.62 and 1,412,569.88 is: 2,116,831.37
Step by Step Solution
- Step 1: Write the proportion equation
2,479,731.16 : 3,716,044.62 = 1,412,569.88 : x - Step 2: Convert to fraction form
2,479,731.16/3,716,044.62 = 1,412,569.88/x - Step 3: Cross multiply
2,479,731.16x = 3,716,044.62 × 1,412,569.88 - Step 4: Simplify right side
2,479,731.16x = 5,249,172,702,948.05 - Step 5: Solve for x
x = 5,249,172,702,948.05/2,479,731.16 - Step 6: Final answer
x = 2,116,831.37
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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.