Finding the Fourth Proportional to 2,045,473.92, 2,822,128.47 and 1,185,862.65
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Solution
The fourth proportional to 2,045,473.92, 2,822,128.47 and 1,185,862.65 is: 1,636,127.80
Step by Step Solution
- Step 1: Write the proportion equation
2,045,473.92 : 2,822,128.47 = 1,185,862.65 : x - Step 2: Convert to fraction form
2,045,473.92/2,822,128.47 = 1,185,862.65/x - Step 3: Cross multiply
2,045,473.92x = 2,822,128.47 × 1,185,862.65 - Step 4: Simplify right side
2,045,473.92x = 3,346,656,746,074.65 - Step 5: Solve for x
x = 3,346,656,746,074.65/2,045,473.92 - Step 6: Final answer
x = 1,636,127.80
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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.