Finding the Fourth Proportional to 1,339,988.58, 2,010,186.99 and 834,140.34
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Solution
The fourth proportional to 1,339,988.58, 2,010,186.99 and 834,140.34 is: 1,251,337.57
Step by Step Solution
- Step 1: Write the proportion equation
1,339,988.58 : 2,010,186.99 = 834,140.34 : x - Step 2: Convert to fraction form
1,339,988.58/2,010,186.99 = 834,140.34/x - Step 3: Cross multiply
1,339,988.58x = 2,010,186.99 × 834,140.34 - Step 4: Simplify right side
1,339,988.58x = 1,676,778,059,302.18 - Step 5: Solve for x
x = 1,676,778,059,302.18/1,339,988.58 - Step 6: Final answer
x = 1,251,337.57
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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.