Finding the Fourth Proportional to 4,386,645.70, 6,579,968.55 and 3,323,763.70
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Solution
The fourth proportional to 4,386,645.70, 6,579,968.55 and 3,323,763.70 is: 4,985,645.55
Step by Step Solution
- Step 1: Write the proportion equation
4,386,645.70 : 6,579,968.55 = 3,323,763.70 : x - Step 2: Convert to fraction form
4,386,645.70/6,579,968.55 = 3,323,763.70/x - Step 3: Cross multiply
4,386,645.70x = 6,579,968.55 × 3,323,763.70 - Step 4: Simplify right side
4,386,645.70x = 21,870,260,613,631.64 - Step 5: Solve for x
x = 21,870,260,613,631.64/4,386,645.70 - Step 6: Final answer
x = 4,985,645.55
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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.