Finding the Fourth Proportional to 1,690,682.24, 2,331,781.05 and 1,486,296.16
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Solution
The fourth proportional to 1,690,682.24, 2,331,781.05 and 1,486,296.16 is: 2,049,892.72
Step by Step Solution
- Step 1: Write the proportion equation
1,690,682.24 : 2,331,781.05 = 1,486,296.16 : x - Step 2: Convert to fraction form
1,690,682.24/2,331,781.05 = 1,486,296.16/x - Step 3: Cross multiply
1,690,682.24x = 2,331,781.05 × 1,486,296.16 - Step 4: Simplify right side
1,690,682.24x = 3,465,717,208,916.86 - Step 5: Solve for x
x = 3,465,717,208,916.86/1,690,682.24 - Step 6: Final answer
x = 2,049,892.72
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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.