Finding the Fourth Proportional to 1,539,695.36, 2,309,394.61 and 474,451.40
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Solution
The fourth proportional to 1,539,695.36, 2,309,394.61 and 474,451.40 is: 711,631.36
Step by Step Solution
- Step 1: Write the proportion equation
1,539,695.36 : 2,309,394.61 = 474,451.40 : x - Step 2: Convert to fraction form
1,539,695.36/2,309,394.61 = 474,451.40/x - Step 3: Cross multiply
1,539,695.36x = 2,309,394.61 × 474,451.40 - Step 4: Simplify right side
1,539,695.36x = 1,095,695,505,866.95 - Step 5: Solve for x
x = 1,095,695,505,866.95/1,539,695.36 - Step 6: Final answer
x = 711,631.36
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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.