Finding the Fourth Proportional to 2,858,988.12, 3,945,403.62 and 1,569,828.50
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Solution
The fourth proportional to 2,858,988.12, 3,945,403.62 and 1,569,828.50 is: 2,166,363.33
Step by Step Solution
- Step 1: Write the proportion equation
2,858,988.12 : 3,945,403.62 = 1,569,828.50 : x - Step 2: Convert to fraction form
2,858,988.12/3,945,403.62 = 1,569,828.50/x - Step 3: Cross multiply
2,858,988.12x = 3,945,403.62 × 1,569,828.50 - Step 4: Simplify right side
2,858,988.12x = 6,193,607,026,952.15 - Step 5: Solve for x
x = 6,193,607,026,952.15/2,858,988.12 - Step 6: Final answer
x = 2,166,363.33
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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.