Finding the Fourth Proportional to 1,858,114.17, 2,564,193.35 and 1,031,314.38
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Solution
The fourth proportional to 1,858,114.17, 2,564,193.35 and 1,031,314.38 is: 1,423,211.51
Step by Step Solution
- Step 1: Write the proportion equation
1,858,114.17 : 2,564,193.35 = 1,031,314.38 : x - Step 2: Convert to fraction form
1,858,114.17/2,564,193.35 = 1,031,314.38/x - Step 3: Cross multiply
1,858,114.17x = 2,564,193.35 × 1,031,314.38 - Step 4: Simplify right side
1,858,114.17x = 2,644,489,469,798.80 - Step 5: Solve for x
x = 2,644,489,469,798.80/1,858,114.17 - Step 6: Final answer
x = 1,423,211.51
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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.