Finding the Fourth Proportional to 2,549,207.16, 3,517,950.60 and 1,387,686.72
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Solution
The fourth proportional to 2,549,207.16, 3,517,950.60 and 1,387,686.72 is: 1,915,032.02
Step by Step Solution
- Step 1: Write the proportion equation
2,549,207.16 : 3,517,950.60 = 1,387,686.72 : x - Step 2: Convert to fraction form
2,549,207.16/3,517,950.60 = 1,387,686.72/x - Step 3: Cross multiply
2,549,207.16x = 3,517,950.60 × 1,387,686.72 - Step 4: Simplify right side
2,549,207.16x = 4,881,813,329,236.03 - Step 5: Solve for x
x = 4,881,813,329,236.03/2,549,207.16 - Step 6: Final answer
x = 1,915,032.02
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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.