Finding the Fourth Proportional to 1,604,507.60, 2,214,081.48 and 916,176.08
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Solution
The fourth proportional to 1,604,507.60, 2,214,081.48 and 916,176.08 is: 1,264,243.62
Step by Step Solution
- Step 1: Write the proportion equation
1,604,507.60 : 2,214,081.48 = 916,176.08 : x - Step 2: Convert to fraction form
1,604,507.60/2,214,081.48 = 916,176.08/x - Step 3: Cross multiply
1,604,507.60x = 2,214,081.48 × 916,176.08 - Step 4: Simplify right side
1,604,507.60x = 2,028,488,491,147.00 - Step 5: Solve for x
x = 2,028,488,491,147.00/1,604,507.60 - Step 6: Final answer
x = 1,264,243.62
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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.