Finding the Fourth Proportional to 4,090,920.64, 5,644,219.47 and 2,371,698.07
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Solution
The fourth proportional to 4,090,920.64, 5,644,219.47 and 2,371,698.07 is: 3,272,218.07
Step by Step Solution
- Step 1: Write the proportion equation
4,090,920.64 : 5,644,219.47 = 2,371,698.07 : x - Step 2: Convert to fraction form
4,090,920.64/5,644,219.47 = 2,371,698.07/x - Step 3: Cross multiply
4,090,920.64x = 5,644,219.47 × 2,371,698.07 - Step 4: Simplify right side
4,090,920.64x = 13,386,384,423,655.42 - Step 5: Solve for x
x = 13,386,384,423,655.42/4,090,920.64 - Step 6: Final answer
x = 3,272,218.07
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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.