Finding the Fourth Proportional to 1,539,701.99, 2,309,404.55 and 474,458.03
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Solution
The fourth proportional to 1,539,701.99, 2,309,404.55 and 474,458.03 is: 711,641.30
Step by Step Solution
- Step 1: Write the proportion equation
1,539,701.99 : 2,309,404.55 = 474,458.03 : x - Step 2: Convert to fraction form
1,539,701.99/2,309,404.55 = 474,458.03/x - Step 3: Cross multiply
1,539,701.99x = 2,309,404.55 × 474,458.03 - Step 4: Simplify right side
1,539,701.99x = 1,095,715,519,346.72 - Step 5: Solve for x
x = 1,095,715,519,346.72/1,539,701.99 - Step 6: Final answer
x = 711,641.30
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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.