Finding the Fourth Proportional to 1,536,201.68, 2,119,957 and 857,138.18
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Solution
The fourth proportional to 1,536,201.68, 2,119,957 and 857,138.18 is: 1,182,849.95
Step by Step Solution
- Step 1: Write the proportion equation
1,536,201.68 : 2,119,957 = 857,138.18 : x - Step 2: Convert to fraction form
1,536,201.68/2,119,957 = 857,138.18/x - Step 3: Cross multiply
1,536,201.68x = 2,119,957 × 857,138.18 - Step 4: Simplify right side
1,536,201.68x = 1,817,096,084,658.26 - Step 5: Solve for x
x = 1,817,096,084,658.26/1,536,201.68 - Step 6: Final answer
x = 1,182,849.95
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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.