Finding the Fourth Proportional to 4,995,788.48, 7,493,702.16 and 1,209,265.28
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Solution
The fourth proportional to 4,995,788.48, 7,493,702.16 and 1,209,265.28 is: 1,813,902.63
Step by Step Solution
- Step 1: Write the proportion equation
4,995,788.48 : 7,493,702.16 = 1,209,265.28 : x - Step 2: Convert to fraction form
4,995,788.48/7,493,702.16 = 1,209,265.28/x - Step 3: Cross multiply
4,995,788.48x = 7,493,702.16 × 1,209,265.28 - Step 4: Simplify right side
4,995,788.48x = 9,061,873,840,749.01 - Step 5: Solve for x
x = 9,061,873,840,749.01/4,995,788.48 - Step 6: Final answer
x = 1,813,902.63
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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.