Finding the Fourth Proportional to 1,418,004.80, 2,127,201.60 and 471,276.80
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Solution
The fourth proportional to 1,418,004.80, 2,127,201.60 and 471,276.80 is: 706,979.81
Step by Step Solution
- Step 1: Write the proportion equation
1,418,004.80 : 2,127,201.60 = 471,276.80 : x - Step 2: Convert to fraction form
1,418,004.80/2,127,201.60 = 471,276.80/x - Step 3: Cross multiply
1,418,004.80x = 2,127,201.60 × 471,276.80 - Step 4: Simplify right side
1,418,004.80x = 1,002,500,763,002.88 - Step 5: Solve for x
x = 1,002,500,763,002.88/1,418,004.80 - Step 6: Final answer
x = 706,979.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.