Finding the Fourth Proportional to 1,539,709.80, 2,309,416.08 and 474,465.84
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Solution
The fourth proportional to 1,539,709.80, 2,309,416.08 and 474,465.84 is: 711,652.96
Step by Step Solution
- Step 1: Write the proportion equation
1,539,709.80 : 2,309,416.08 = 474,465.84 : x - Step 2: Convert to fraction form
1,539,709.80/2,309,416.08 = 474,465.84/x - Step 3: Cross multiply
1,539,709.80x = 2,309,416.08 × 474,465.84 - Step 4: Simplify right side
1,539,709.80x = 1,095,739,040,306.71 - Step 5: Solve for x
x = 1,095,739,040,306.71/1,539,709.80 - Step 6: Final answer
x = 711,652.96
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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.