Finding the Fourth Proportional to 1,774,517.70, 2,661,776.55 and 1,302,125.70
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Solution
The fourth proportional to 1,774,517.70, 2,661,776.55 and 1,302,125.70 is: 1,953,188.55
Step by Step Solution
- Step 1: Write the proportion equation
1,774,517.70 : 2,661,776.55 = 1,302,125.70 : x - Step 2: Convert to fraction form
1,774,517.70/2,661,776.55 = 1,302,125.70/x - Step 3: Cross multiply
1,774,517.70x = 2,661,776.55 × 1,302,125.70 - Step 4: Simplify right side
1,774,517.70x = 3,465,967,653,412.33 - Step 5: Solve for x
x = 3,465,967,653,412.33/1,774,517.70 - Step 6: Final answer
x = 1,953,188.55
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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.