Finding the Fourth Proportional to 2,347,302.21, 3,239,356.65 and 1,314,854.07
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Solution
The fourth proportional to 2,347,302.21, 3,239,356.65 and 1,314,854.07 is: 1,814,543.21
Step by Step Solution
- Step 1: Write the proportion equation
2,347,302.21 : 3,239,356.65 = 1,314,854.07 : x - Step 2: Convert to fraction form
2,347,302.21/3,239,356.65 = 1,314,854.07/x - Step 3: Cross multiply
2,347,302.21x = 3,239,356.65 × 1,314,854.07 - Step 4: Simplify right side
2,347,302.21x = 4,259,281,275,434.07 - Step 5: Solve for x
x = 4,259,281,275,434.07/2,347,302.21 - Step 6: Final answer
x = 1,814,543.21
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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.