Finding the Fourth Proportional to 7,038,618.62, 10,558,407.18 and 2,246,668.61
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Solution
The fourth proportional to 7,038,618.62, 10,558,407.18 and 2,246,668.61 is: 3,370,155.89
Step by Step Solution
- Step 1: Write the proportion equation
7,038,618.62 : 10,558,407.18 = 2,246,668.61 : x - Step 2: Convert to fraction form
7,038,618.62/10,558,407.18 = 2,246,668.61/x - Step 3: Cross multiply
7,038,618.62x = 10,558,407.18 × 2,246,668.61 - Step 4: Simplify right side
7,038,618.62x = 23,721,241,982,904.62 - Step 5: Solve for x
x = 23,721,241,982,904.62/7,038,618.62 - Step 6: Final answer
x = 3,370,155.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.