Finding the Fourth Proportional to 1,698,020.69, 2,547,048.78 and 499,965.68
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Solution
The fourth proportional to 1,698,020.69, 2,547,048.78 and 499,965.68 is: 749,953.75
Step by Step Solution
- Step 1: Write the proportion equation
1,698,020.69 : 2,547,048.78 = 499,965.68 : x - Step 2: Convert to fraction form
1,698,020.69/2,547,048.78 = 499,965.68/x - Step 3: Cross multiply
1,698,020.69x = 2,547,048.78 × 499,965.68 - Step 4: Simplify right side
1,698,020.69x = 1,273,436,981,653.49 - Step 5: Solve for x
x = 1,273,436,981,653.49/1,698,020.69 - Step 6: Final answer
x = 749,953.75
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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.