Finding the Fourth Proportional to 1,636,294.08, 2,257,486.56 and 991,248.96
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Solution
The fourth proportional to 1,636,294.08, 2,257,486.56 and 991,248.96 is: 1,367,560.53
Step by Step Solution
- Step 1: Write the proportion equation
1,636,294.08 : 2,257,486.56 = 991,248.96 : x - Step 2: Convert to fraction form
1,636,294.08/2,257,486.56 = 991,248.96/x - Step 3: Cross multiply
1,636,294.08x = 2,257,486.56 × 991,248.96 - Step 4: Simplify right side
1,636,294.08x = 2,237,731,204,813.98 - Step 5: Solve for x
x = 2,237,731,204,813.98/1,636,294.08 - Step 6: Final answer
x = 1,367,560.53
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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.