Finding the Fourth Proportional to 1,668,686.15, 2,503,102.01 and 816,475.35
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Solution
The fourth proportional to 1,668,686.15, 2,503,102.01 and 816,475.35 is: 1,224,748.64
Step by Step Solution
- Step 1: Write the proportion equation
1,668,686.15 : 2,503,102.01 = 816,475.35 : x - Step 2: Convert to fraction form
1,668,686.15/2,503,102.01 = 816,475.35/x - Step 3: Cross multiply
1,668,686.15x = 2,503,102.01 × 816,475.35 - Step 4: Simplify right side
1,668,686.15x = 2,043,721,085,618.08 - Step 5: Solve for x
x = 2,043,721,085,618.08/1,668,686.15 - Step 6: Final answer
x = 1,224,748.64
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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.