Finding the Fourth Proportional to 1,658,806.60, 2,490,834.30 and 1,259,897.80
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Solution
The fourth proportional to 1,658,806.60, 2,490,834.30 and 1,259,897.80 is: 1,891,839.99
Step by Step Solution
- Step 1: Write the proportion equation
1,658,806.60 : 2,490,834.30 = 1,259,897.80 : x - Step 2: Convert to fraction form
1,658,806.60/2,490,834.30 = 1,259,897.80/x - Step 3: Cross multiply
1,658,806.60x = 2,490,834.30 × 1,259,897.80 - Step 4: Simplify right side
1,658,806.60x = 3,138,196,654,734.54 - Step 5: Solve for x
x = 3,138,196,654,734.54/1,658,806.60 - Step 6: Final answer
x = 1,891,839.99
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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.