Finding the Fourth Proportional to 6,514,341.21, 9,771,582.51 and 1,965,430.71
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Solution
The fourth proportional to 6,514,341.21, 9,771,582.51 and 1,965,430.71 is: 2,948,167.39
Step by Step Solution
- Step 1: Write the proportion equation
6,514,341.21 : 9,771,582.51 = 1,965,430.71 : x - Step 2: Convert to fraction form
6,514,341.21/9,771,582.51 = 1,965,430.71/x - Step 3: Cross multiply
6,514,341.21x = 9,771,582.51 × 1,965,430.71 - Step 4: Simplify right side
6,514,341.21x = 19,205,368,350,452.88 - Step 5: Solve for x
x = 19,205,368,350,452.88/6,514,341.21 - Step 6: Final answer
x = 2,948,167.39
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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.