Finding the Fourth Proportional to 3,403,171.55, 4,696,155.68 and 1,875,278.67
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Solution
The fourth proportional to 3,403,171.55, 4,696,155.68 and 1,875,278.67 is: 2,587,762.75
Step by Step Solution
- Step 1: Write the proportion equation
3,403,171.55 : 4,696,155.68 = 1,875,278.67 : x - Step 2: Convert to fraction form
3,403,171.55/4,696,155.68 = 1,875,278.67/x - Step 3: Cross multiply
3,403,171.55x = 4,696,155.68 × 1,875,278.67 - Step 4: Simplify right side
3,403,171.55x = 8,806,600,568,326.95 - Step 5: Solve for x
x = 8,806,600,568,326.95/3,403,171.55 - Step 6: Final answer
x = 2,587,762.75
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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.