Finding the Fourth Proportional to 5,221,008.24, 7,831,724.18 and 2,487,149.70
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Solution
The fourth proportional to 5,221,008.24, 7,831,724.18 and 2,487,149.70 is: 3,730,825.45
Step by Step Solution
- Step 1: Write the proportion equation
5,221,008.24 : 7,831,724.18 = 2,487,149.70 : x - Step 2: Convert to fraction form
5,221,008.24/7,831,724.18 = 2,487,149.70/x - Step 3: Cross multiply
5,221,008.24x = 7,831,724.18 × 2,487,149.70 - Step 4: Simplify right side
5,221,008.24x = 19,478,670,432,334 - Step 5: Solve for x
x = 19,478,670,432,334/5,221,008.24 - Step 6: Final answer
x = 3,730,825.45
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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.