Finding the Fourth Proportional to 2,889,941.20, 3,988,250.12 and 1,600,781.42
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Solution
The fourth proportional to 2,889,941.20, 3,988,250.12 and 1,600,781.42 is: 2,209,151.07
Step by Step Solution
- Step 1: Write the proportion equation
2,889,941.20 : 3,988,250.12 = 1,600,781.42 : x - Step 2: Convert to fraction form
2,889,941.20/3,988,250.12 = 1,600,781.42/x - Step 3: Cross multiply
2,889,941.20x = 3,988,250.12 × 1,600,781.42 - Step 4: Simplify right side
2,889,941.20x = 6,384,316,690,408.77 - Step 5: Solve for x
x = 6,384,316,690,408.77/2,889,941.20 - Step 6: Final answer
x = 2,209,151.07
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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.