Finding the Fourth Proportional to 4,139,647.68, 6,209,034.71 and 1,107,319.53
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Solution
The fourth proportional to 4,139,647.68, 6,209,034.71 and 1,107,319.53 is: 1,660,862.45
Step by Step Solution
- Step 1: Write the proportion equation
4,139,647.68 : 6,209,034.71 = 1,107,319.53 : x - Step 2: Convert to fraction form
4,139,647.68/6,209,034.71 = 1,107,319.53/x - Step 3: Cross multiply
4,139,647.68x = 6,209,034.71 × 1,107,319.53 - Step 4: Simplify right side
4,139,647.68x = 6,875,385,396,830.89 - Step 5: Solve for x
x = 6,875,385,396,830.89/4,139,647.68 - Step 6: Final answer
x = 1,660,862.45
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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.