Finding the Fourth Proportional to 1,957,402.53, 2,701,209.87 and 1,086,368.76
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Solution
The fourth proportional to 1,957,402.53, 2,701,209.87 and 1,086,368.76 is: 1,499,185.77
Step by Step Solution
- Step 1: Write the proportion equation
1,957,402.53 : 2,701,209.87 = 1,086,368.76 : x - Step 2: Convert to fraction form
1,957,402.53/2,701,209.87 = 1,086,368.76/x - Step 3: Cross multiply
1,957,402.53x = 2,701,209.87 × 1,086,368.76 - Step 4: Simplify right side
1,957,402.53x = 2,934,510,016,971.66 - Step 5: Solve for x
x = 2,934,510,016,971.66/1,957,402.53 - Step 6: Final answer
x = 1,499,185.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.