Finding the Fourth Proportional to 2,439,311.10, 3,366,158.49 and 1,406,862.11
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Solution
The fourth proportional to 2,439,311.10, 3,366,158.49 and 1,406,862.11 is: 1,941,417.32
Step by Step Solution
- Step 1: Write the proportion equation
2,439,311.10 : 3,366,158.49 = 1,406,862.11 : x - Step 2: Convert to fraction form
2,439,311.10/3,366,158.49 = 1,406,862.11/x - Step 3: Cross multiply
2,439,311.10x = 3,366,158.49 × 1,406,862.11 - Step 4: Simplify right side
2,439,311.10x = 4,735,720,819,005.02 - Step 5: Solve for x
x = 4,735,720,819,005.02/2,439,311.10 - Step 6: Final answer
x = 1,941,417.32
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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.