Finding the Fourth Proportional to 1,473,742.80, 2,208,281.40 and 1,235,797.20
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Solution
The fourth proportional to 1,473,742.80, 2,208,281.40 and 1,235,797.20 is: 1,851,739.65
Step by Step Solution
- Step 1: Write the proportion equation
1,473,742.80 : 2,208,281.40 = 1,235,797.20 : x - Step 2: Convert to fraction form
1,473,742.80/2,208,281.40 = 1,235,797.20/x - Step 3: Cross multiply
1,473,742.80x = 2,208,281.40 × 1,235,797.20 - Step 4: Simplify right side
1,473,742.80x = 2,728,987,970,932.08 - Step 5: Solve for x
x = 2,728,987,970,932.08/1,473,742.80 - Step 6: Final answer
x = 1,851,739.65
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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.