Finding the Fourth Proportional to 1,642,352.19, 2,266,438.55 and 907,306.68
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Solution
The fourth proportional to 1,642,352.19, 2,266,438.55 and 907,306.68 is: 1,252,079.08
Step by Step Solution
- Step 1: Write the proportion equation
1,642,352.19 : 2,266,438.55 = 907,306.68 : x - Step 2: Convert to fraction form
1,642,352.19/2,266,438.55 = 907,306.68/x - Step 3: Cross multiply
1,642,352.19x = 2,266,438.55 × 907,306.68 - Step 4: Simplify right side
1,642,352.19x = 2,056,354,823,615.85 - Step 5: Solve for x
x = 2,056,354,823,615.85/1,642,352.19 - Step 6: Final answer
x = 1,252,079.08
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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.