Finding the Fourth Proportional to 6,349,352.20, 8,762,176.86 and 3,736,433.80
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Solution
The fourth proportional to 6,349,352.20, 8,762,176.86 and 3,736,433.80 is: 5,156,320.32
Step by Step Solution
- Step 1: Write the proportion equation
6,349,352.20 : 8,762,176.86 = 3,736,433.80 : x - Step 2: Convert to fraction form
6,349,352.20/8,762,176.86 = 3,736,433.80/x - Step 3: Cross multiply
6,349,352.20x = 8,762,176.86 × 3,736,433.80 - Step 4: Simplify right side
6,349,352.20x = 32,739,293,781,281.86 - Step 5: Solve for x
x = 32,739,293,781,281.86/6,349,352.20 - Step 6: Final answer
x = 5,156,320.32
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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.