Finding the Fourth Proportional to 2,535,436.81, 3,497,348.19 and 2,070,965.53
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Solution
The fourth proportional to 2,535,436.81, 3,497,348.19 and 2,070,965.53 is: 2,856,662.62
Step by Step Solution
- Step 1: Write the proportion equation
2,535,436.81 : 3,497,348.19 = 2,070,965.53 : x - Step 2: Convert to fraction form
2,535,436.81/3,497,348.19 = 2,070,965.53/x - Step 3: Cross multiply
2,535,436.81x = 3,497,348.19 × 2,070,965.53 - Step 4: Simplify right side
2,535,436.81x = 7,242,887,547,897.89 - Step 5: Solve for x
x = 7,242,887,547,897.89/2,535,436.81 - Step 6: Final answer
x = 2,856,662.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.