Finding the Fourth Proportional to 1,705,664, 2,354,023.68 and 990,272
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Solution
The fourth proportional to 1,705,664, 2,354,023.68 and 990,272 is: 1,366,695.75
Step by Step Solution
- Step 1: Write the proportion equation
1,705,664 : 2,354,023.68 = 990,272 : x - Step 2: Convert to fraction form
1,705,664/2,354,023.68 = 990,272/x - Step 3: Cross multiply
1,705,664x = 2,354,023.68 × 990,272 - Step 4: Simplify right side
1,705,664x = 2,331,123,737,640.96 - Step 5: Solve for x
x = 2,331,123,737,640.96/1,705,664 - Step 6: Final answer
x = 1,366,695.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.