Finding the Fourth Proportional to 4,156,378.40, 6,235,150.80 and 1,316,194.40
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Solution
The fourth proportional to 4,156,378.40, 6,235,150.80 and 1,316,194.40 is: 1,974,476.28
Step by Step Solution
- Step 1: Write the proportion equation
4,156,378.40 : 6,235,150.80 = 1,316,194.40 : x - Step 2: Convert to fraction form
4,156,378.40/6,235,150.80 = 1,316,194.40/x - Step 3: Cross multiply
4,156,378.40x = 6,235,150.80 × 1,316,194.40 - Step 4: Simplify right side
4,156,378.40x = 8,206,670,566,115.52 - Step 5: Solve for x
x = 8,206,670,566,115.52/4,156,378.40 - Step 6: Final answer
x = 1,974,476.28
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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.