Finding the Fourth Proportional to 3,370,815.86, 4,651,725.93 and 1,842,923.02
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Solution
The fourth proportional to 3,370,815.86, 4,651,725.93 and 1,842,923.02 is: 2,543,233.79
Step by Step Solution
- Step 1: Write the proportion equation
3,370,815.86 : 4,651,725.93 = 1,842,923.02 : x - Step 2: Convert to fraction form
3,370,815.86/4,651,725.93 = 1,842,923.02/x - Step 3: Cross multiply
3,370,815.86x = 4,651,725.93 × 1,842,923.02 - Step 4: Simplify right side
3,370,815.86x = 8,572,772,799,127.91 - Step 5: Solve for x
x = 8,572,772,799,127.91/3,370,815.86 - Step 6: Final answer
x = 2,543,233.79
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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.