Finding the Fourth Proportional to 6,787,400.72, 9,363,962.66 and 3,885,240.65
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Solution
The fourth proportional to 6,787,400.72, 9,363,962.66 and 3,885,240.65 is: 5,360,114.99
Step by Step Solution
- Step 1: Write the proportion equation
6,787,400.72 : 9,363,962.66 = 3,885,240.65 : x - Step 2: Convert to fraction form
6,787,400.72/9,363,962.66 = 3,885,240.65/x - Step 3: Cross multiply
6,787,400.72x = 9,363,962.66 × 3,885,240.65 - Step 4: Simplify right side
6,787,400.72x = 36,381,248,305,468.11 - Step 5: Solve for x
x = 36,381,248,305,468.11/6,787,400.72 - Step 6: Final answer
x = 5,360,114.99
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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.