Finding the Fourth Proportional to 1,759,898.12, 2,428,693.88 and 1,148,442.08
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Solution
The fourth proportional to 1,759,898.12, 2,428,693.88 and 1,148,442.08 is: 1,584,872.56
Step by Step Solution
- Step 1: Write the proportion equation
1,759,898.12 : 2,428,693.88 = 1,148,442.08 : x - Step 2: Convert to fraction form
1,759,898.12/2,428,693.88 = 1,148,442.08/x - Step 3: Cross multiply
1,759,898.12x = 2,428,693.88 × 1,148,442.08 - Step 4: Simplify right side
1,759,898.12x = 2,789,214,233,344.79 - Step 5: Solve for x
x = 2,789,214,233,344.79/1,759,898.12 - Step 6: Final answer
x = 1,584,872.56
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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.