Finding the Fourth Proportional to 1,934,175.93, 2,668,398.71 and 1,118,230.17
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Solution
The fourth proportional to 1,934,175.93, 2,668,398.71 and 1,118,230.17 is: 1,542,715.89
Step by Step Solution
- Step 1: Write the proportion equation
1,934,175.93 : 2,668,398.71 = 1,118,230.17 : x - Step 2: Convert to fraction form
1,934,175.93/2,668,398.71 = 1,118,230.17/x - Step 3: Cross multiply
1,934,175.93x = 2,668,398.71 × 1,118,230.17 - Step 4: Simplify right side
1,934,175.93x = 2,983,883,943,111.08 - Step 5: Solve for x
x = 2,983,883,943,111.08/1,934,175.93 - Step 6: Final answer
x = 1,542,715.89
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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.