Finding the Fourth Proportional to 2,187,125.58, 3,279,564.90 and 988,398.48
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Solution
The fourth proportional to 2,187,125.58, 3,279,564.90 and 988,398.48 is: 1,482,090.01
Step by Step Solution
- Step 1: Write the proportion equation
2,187,125.58 : 3,279,564.90 = 988,398.48 : x - Step 2: Convert to fraction form
2,187,125.58/3,279,564.90 = 988,398.48/x - Step 3: Cross multiply
2,187,125.58x = 3,279,564.90 × 988,398.48 - Step 4: Simplify right side
2,187,125.58x = 3,241,516,962,221.35 - Step 5: Solve for x
x = 3,241,516,962,221.35/2,187,125.58 - Step 6: Final answer
x = 1,482,090.01
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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.