Finding the Fourth Proportional to 1,539,731.84, 2,309,449.08 and 474,487.88
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Solution
The fourth proportional to 1,539,731.84, 2,309,449.08 and 474,487.88 is: 711,686.00
Step by Step Solution
- Step 1: Write the proportion equation
1,539,731.84 : 2,309,449.08 = 474,487.88 : x - Step 2: Convert to fraction form
1,539,731.84/2,309,449.08 = 474,487.88/x - Step 3: Cross multiply
1,539,731.84x = 2,309,449.08 × 474,487.88 - Step 4: Simplify right side
1,539,731.84x = 1,095,805,597,937.15 - Step 5: Solve for x
x = 1,095,805,597,937.15/1,539,731.84 - Step 6: Final answer
x = 711,686.00
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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.