Finding the Fourth Proportional to 2,528,585.48, 3,486,466.42 and 2,043,651.08
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Solution
The fourth proportional to 2,528,585.48, 3,486,466.42 and 2,043,651.08 is: 2,817,828.75
Step by Step Solution
- Step 1: Write the proportion equation
2,528,585.48 : 3,486,466.42 = 2,043,651.08 : x - Step 2: Convert to fraction form
2,528,585.48/3,486,466.42 = 2,043,651.08/x - Step 3: Cross multiply
2,528,585.48x = 3,486,466.42 × 2,043,651.08 - Step 4: Simplify right side
2,528,585.48x = 7,125,120,864,616.73 - Step 5: Solve for x
x = 7,125,120,864,616.73/2,528,585.48 - Step 6: Final answer
x = 2,817,828.75
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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.