Finding the Fourth Proportional to 1,616,547.13, 2,230,787.31 and 891,394.66
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Solution
The fourth proportional to 1,616,547.13, 2,230,787.31 and 891,394.66 is: 1,230,098.31
Step by Step Solution
- Step 1: Write the proportion equation
1,616,547.13 : 2,230,787.31 = 891,394.66 : x - Step 2: Convert to fraction form
1,616,547.13/2,230,787.31 = 891,394.66/x - Step 3: Cross multiply
1,616,547.13x = 2,230,787.31 × 891,394.66 - Step 4: Simplify right side
1,616,547.13x = 1,988,511,895,729.76 - Step 5: Solve for x
x = 1,988,511,895,729.76/1,616,547.13 - Step 6: Final answer
x = 1,230,098.31
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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.