Finding the Fourth Proportional to 1,615,272.60, 2,418,243.30 and 985,416.60
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Solution
The fourth proportional to 1,615,272.60, 2,418,243.30 and 985,416.60 is: 1,475,278.59
Step by Step Solution
- Step 1: Write the proportion equation
1,615,272.60 : 2,418,243.30 = 985,416.60 : x - Step 2: Convert to fraction form
1,615,272.60/2,418,243.30 = 985,416.60/x - Step 3: Cross multiply
1,615,272.60x = 2,418,243.30 × 985,416.60 - Step 4: Simplify right side
1,615,272.60x = 2,382,977,090,658.78 - Step 5: Solve for x
x = 2,382,977,090,658.78/1,615,272.60 - Step 6: Final answer
x = 1,475,278.59
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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.