Finding the Fourth Proportional to 2,343,358.43, 3,511,598.71 and 1,320,679.63
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Solution
The fourth proportional to 2,343,358.43, 3,511,598.71 and 1,320,679.63 is: 1,979,081.32
Step by Step Solution
- Step 1: Write the proportion equation
2,343,358.43 : 3,511,598.71 = 1,320,679.63 : x - Step 2: Convert to fraction form
2,343,358.43/3,511,598.71 = 1,320,679.63/x - Step 3: Cross multiply
2,343,358.43x = 3,511,598.71 × 1,320,679.63 - Step 4: Simplify right side
2,343,358.43x = 4,637,696,885,031.28 - Step 5: Solve for x
x = 4,637,696,885,031.28/2,343,358.43 - Step 6: Final answer
x = 1,979,081.32
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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.