Finding the Fourth Proportional to 6,618,244.60, 9,916,869.30 and 4,371,758.20
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Solution
The fourth proportional to 6,618,244.60, 9,916,869.30 and 4,371,758.20 is: 6,550,702.99
Step by Step Solution
- Step 1: Write the proportion equation
6,618,244.60 : 9,916,869.30 = 4,371,758.20 : x - Step 2: Convert to fraction form
6,618,244.60/9,916,869.30 = 4,371,758.20/x - Step 3: Cross multiply
6,618,244.60x = 9,916,869.30 × 4,371,758.20 - Step 4: Simplify right side
6,618,244.60x = 43,354,154,680,603.27 - Step 5: Solve for x
x = 43,354,154,680,603.27/6,618,244.60 - Step 6: Final answer
x = 6,550,702.99
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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.