Finding the Fourth Proportional to 6,386,356.62, 8,813,169.26 and 3,485,747.22
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Solution
The fourth proportional to 6,386,356.62, 8,813,169.26 and 3,485,747.22 is: 4,810,329.59
Step by Step Solution
- Step 1: Write the proportion equation
6,386,356.62 : 8,813,169.26 = 3,485,747.22 : x - Step 2: Convert to fraction form
6,386,356.62/8,813,169.26 = 3,485,747.22/x - Step 3: Cross multiply
6,386,356.62x = 8,813,169.26 × 3,485,747.22 - Step 4: Simplify right side
6,386,356.62x = 30,720,480,247,434.46 - Step 5: Solve for x
x = 30,720,480,247,434.46/6,386,356.62 - Step 6: Final answer
x = 4,810,329.59
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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.