Finding the Fourth Proportional to 2,486,808.34, 3,730,212.28 and 689,691.79
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Solution
The fourth proportional to 2,486,808.34, 3,730,212.28 and 689,691.79 is: 1,034,537.62
Step by Step Solution
- Step 1: Write the proportion equation
2,486,808.34 : 3,730,212.28 = 689,691.79 : x - Step 2: Convert to fraction form
2,486,808.34/3,730,212.28 = 689,691.79/x - Step 3: Cross multiply
2,486,808.34x = 3,730,212.28 × 689,691.79 - Step 4: Simplify right side
2,486,808.34x = 2,572,696,773,423.42 - Step 5: Solve for x
x = 2,572,696,773,423.42/2,486,808.34 - Step 6: Final answer
x = 1,034,537.62
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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.