Finding the Fourth Proportional to 4,720,864.10, 6,514,781.76 and 2,655,880.47
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Solution
The fourth proportional to 4,720,864.10, 6,514,781.76 and 2,655,880.47 is: 3,665,109.03
Step by Step Solution
- Step 1: Write the proportion equation
4,720,864.10 : 6,514,781.76 = 2,655,880.47 : x - Step 2: Convert to fraction form
4,720,864.10/6,514,781.76 = 2,655,880.47/x - Step 3: Cross multiply
4,720,864.10x = 6,514,781.76 × 2,655,880.47 - Step 4: Simplify right side
4,720,864.10x = 17,302,481,642,696.23 - Step 5: Solve for x
x = 17,302,481,642,696.23/4,720,864.10 - Step 6: Final answer
x = 3,665,109.03
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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.