Finding the Fourth Proportional to 2,948,808.24, 4,069,224.48 and 1,642,127.68
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Solution
The fourth proportional to 2,948,808.24, 4,069,224.48 and 1,642,127.68 is: 2,266,063.31
Step by Step Solution
- Step 1: Write the proportion equation
2,948,808.24 : 4,069,224.48 = 1,642,127.68 : x - Step 2: Convert to fraction form
2,948,808.24/4,069,224.48 = 1,642,127.68/x - Step 3: Cross multiply
2,948,808.24x = 4,069,224.48 × 1,642,127.68 - Step 4: Simplify right side
2,948,808.24x = 6,682,186,154,741.61 - Step 5: Solve for x
x = 6,682,186,154,741.61/2,948,808.24 - Step 6: Final answer
x = 2,266,063.31
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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.