Finding the Fourth Proportional to 2,492,139.19, 3,439,155.14 and 1,346,219.53
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Solution
The fourth proportional to 2,492,139.19, 3,439,155.14 and 1,346,219.53 is: 1,857,784.60
Step by Step Solution
- Step 1: Write the proportion equation
2,492,139.19 : 3,439,155.14 = 1,346,219.53 : x - Step 2: Convert to fraction form
2,492,139.19/3,439,155.14 = 1,346,219.53/x - Step 3: Cross multiply
2,492,139.19x = 3,439,155.14 × 1,346,219.53 - Step 4: Simplify right side
2,492,139.19x = 4,629,857,807,883.78 - Step 5: Solve for x
x = 4,629,857,807,883.78/2,492,139.19 - Step 6: Final answer
x = 1,857,784.60
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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.