Finding the Fourth Proportional to 3,403,743.47, 4,697,332.62 and 1,914,064.09
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Solution
The fourth proportional to 3,403,743.47, 4,697,332.62 and 1,914,064.09 is: 2,641,502.15
Step by Step Solution
- Step 1: Write the proportion equation
3,403,743.47 : 4,697,332.62 = 1,914,064.09 : x - Step 2: Convert to fraction form
3,403,743.47/4,697,332.62 = 1,914,064.09/x - Step 3: Cross multiply
3,403,743.47x = 4,697,332.62 × 1,914,064.09 - Step 4: Simplify right side
3,403,743.47x = 8,990,995,686,727.62 - Step 5: Solve for x
x = 8,990,995,686,727.62/3,403,743.47 - Step 6: Final answer
x = 2,641,502.15
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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.