Finding the Fourth Proportional to 1,473,129.60, 2,209,694.40 and 1,236,739.20
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Solution
The fourth proportional to 1,473,129.60, 2,209,694.40 and 1,236,739.20 is: 1,855,108.80
Step by Step Solution
- Step 1: Write the proportion equation
1,473,129.60 : 2,209,694.40 = 1,236,739.20 : x - Step 2: Convert to fraction form
1,473,129.60/2,209,694.40 = 1,236,739.20/x - Step 3: Cross multiply
1,473,129.60x = 2,209,694.40 × 1,236,739.20 - Step 4: Simplify right side
1,473,129.60x = 2,732,815,684,500.48 - Step 5: Solve for x
x = 2,732,815,684,500.48/1,473,129.60 - Step 6: Final answer
x = 1,855,108.80
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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.