Finding the Fourth Proportional to 6,145,641.91, 8,480,984.50 and 3,392,328.62
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Solution
The fourth proportional to 6,145,641.91, 8,480,984.50 and 3,392,328.62 is: 4,681,412.75
Step by Step Solution
- Step 1: Write the proportion equation
6,145,641.91 : 8,480,984.50 = 3,392,328.62 : x - Step 2: Convert to fraction form
6,145,641.91/8,480,984.50 = 3,392,328.62/x - Step 3: Cross multiply
6,145,641.91x = 8,480,984.50 × 3,392,328.62 - Step 4: Simplify right side
6,145,641.91x = 28,770,286,402,721.47 - Step 5: Solve for x
x = 28,770,286,402,721.47/6,145,641.91 - Step 6: Final answer
x = 4,681,412.75
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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.