Finding the Fourth Proportional to 1,981,898.28, 2,972,830.98 and 1,177,855.02
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Solution
The fourth proportional to 1,981,898.28, 2,972,830.98 and 1,177,855.02 is: 1,766,772.76
Step by Step Solution
- Step 1: Write the proportion equation
1,981,898.28 : 2,972,830.98 = 1,177,855.02 : x - Step 2: Convert to fraction form
1,981,898.28/2,972,830.98 = 1,177,855.02/x - Step 3: Cross multiply
1,981,898.28x = 2,972,830.98 × 1,177,855.02 - Step 4: Simplify right side
1,981,898.28x = 3,501,563,893,404.52 - Step 5: Solve for x
x = 3,501,563,893,404.52/1,981,898.28 - Step 6: Final answer
x = 1,766,772.76
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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.