Finding the Fourth Proportional to 2,549,143.10, 3,517,862.33 and 1,387,622.75
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Solution
The fourth proportional to 2,549,143.10, 3,517,862.33 and 1,387,622.75 is: 1,914,943.80
Step by Step Solution
- Step 1: Write the proportion equation
2,549,143.10 : 3,517,862.33 = 1,387,622.75 : x - Step 2: Convert to fraction form
2,549,143.10/3,517,862.33 = 1,387,622.75/x - Step 3: Cross multiply
2,549,143.10x = 3,517,862.33 × 1,387,622.75 - Step 4: Simplify right side
2,549,143.10x = 4,881,465,775,948.58 - Step 5: Solve for x
x = 4,881,465,775,948.58/2,549,143.10 - Step 6: Final answer
x = 1,914,943.80
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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.