Finding the Fourth Proportional to 2,439,447.84, 3,366,486.66 and 1,420,918.20
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Solution
The fourth proportional to 2,439,447.84, 3,366,486.66 and 1,420,918.20 is: 1,960,895.45
Step by Step Solution
- Step 1: Write the proportion equation
2,439,447.84 : 3,366,486.66 = 1,420,918.20 : x - Step 2: Convert to fraction form
2,439,447.84/3,366,486.66 = 1,420,918.20/x - Step 3: Cross multiply
2,439,447.84x = 3,366,486.66 × 1,420,918.20 - Step 4: Simplify right side
2,439,447.84x = 4,783,502,165,251.21 - Step 5: Solve for x
x = 4,783,502,165,251.21/2,439,447.84 - Step 6: Final answer
x = 1,960,895.45
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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.