Finding the Fourth Proportional to 2,486,118.12, 3,729,365.18 and 688,980.84
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Solution
The fourth proportional to 2,486,118.12, 3,729,365.18 and 688,980.84 is: 1,033,523.36
Step by Step Solution
- Step 1: Write the proportion equation
2,486,118.12 : 3,729,365.18 = 688,980.84 : x - Step 2: Convert to fraction form
2,486,118.12/3,729,365.18 = 688,980.84/x - Step 3: Cross multiply
2,486,118.12x = 3,729,365.18 × 688,980.84 - Step 4: Simplify right side
2,486,118.12x = 2,569,461,154,383.15 - Step 5: Solve for x
x = 2,569,461,154,383.15/2,486,118.12 - Step 6: Final answer
x = 1,033,523.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.