Finding the Fourth Proportional to 6,240,742.20, 9,361,113.30 and 3,679,327.80
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Solution
The fourth proportional to 6,240,742.20, 9,361,113.30 and 3,679,327.80 is: 5,518,991.70
Step by Step Solution
- Step 1: Write the proportion equation
6,240,742.20 : 9,361,113.30 = 3,679,327.80 : x - Step 2: Convert to fraction form
6,240,742.20/9,361,113.30 = 3,679,327.80/x - Step 3: Cross multiply
6,240,742.20x = 9,361,113.30 × 3,679,327.80 - Step 4: Simplify right side
6,240,742.20x = 34,442,604,403,639.74 - Step 5: Solve for x
x = 34,442,604,403,639.74/6,240,742.20 - Step 6: Final answer
x = 5,518,991.70
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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.