Finding the Fourth Proportional to 2,486,885.01, 3,730,326.81 and 689,768.70
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Solution
The fourth proportional to 2,486,885.01, 3,730,326.81 and 689,768.70 is: 1,034,652.85
Step by Step Solution
- Step 1: Write the proportion equation
2,486,885.01 : 3,730,326.81 = 689,768.70 : x - Step 2: Convert to fraction form
2,486,885.01/3,730,326.81 = 689,768.70/x - Step 3: Cross multiply
2,486,885.01x = 3,730,326.81 × 689,768.70 - Step 4: Simplify right side
2,486,885.01x = 2,573,062,674,308.85 - Step 5: Solve for x
x = 2,573,062,674,308.85/2,486,885.01 - Step 6: Final answer
x = 1,034,652.85
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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.