Finding the Fourth Proportional to 1,528,092.30, 2,292,138.45 and 1,386,374.70
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Solution
The fourth proportional to 1,528,092.30, 2,292,138.45 and 1,386,374.70 is: 2,079,562.05
Step by Step Solution
- Step 1: Write the proportion equation
1,528,092.30 : 2,292,138.45 = 1,386,374.70 : x - Step 2: Convert to fraction form
1,528,092.30/2,292,138.45 = 1,386,374.70/x - Step 3: Cross multiply
1,528,092.30x = 2,292,138.45 × 1,386,374.70 - Step 4: Simplify right side
1,528,092.30x = 3,177,762,755,977.22 - Step 5: Solve for x
x = 3,177,762,755,977.22/1,528,092.30 - Step 6: Final answer
x = 2,079,562.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.