Finding the Fourth Proportional to 1,916,262.16, 2,644,444.40 and 1,045,098.96
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Solution
The fourth proportional to 1,916,262.16, 2,644,444.40 and 1,045,098.96 is: 1,442,237.99
Step by Step Solution
- Step 1: Write the proportion equation
1,916,262.16 : 2,644,444.40 = 1,045,098.96 : x - Step 2: Convert to fraction form
1,916,262.16/2,644,444.40 = 1,045,098.96/x - Step 3: Cross multiply
1,916,262.16x = 2,644,444.40 × 1,045,098.96 - Step 4: Simplify right side
1,916,262.16x = 2,763,706,080,994.78 - Step 5: Solve for x
x = 2,763,706,080,994.78/1,916,262.16 - Step 6: Final answer
x = 1,442,237.99
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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.