Finding the Fourth Proportional to 5,215,177.96, 7,197,248.46 and 2,924,076.76
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Solution
The fourth proportional to 5,215,177.96, 7,197,248.46 and 2,924,076.76 is: 4,035,395.75
Step by Step Solution
- Step 1: Write the proportion equation
5,215,177.96 : 7,197,248.46 = 2,924,076.76 : x - Step 2: Convert to fraction form
5,215,177.96/7,197,248.46 = 2,924,076.76/x - Step 3: Cross multiply
5,215,177.96x = 7,197,248.46 × 2,924,076.76 - Step 4: Simplify right side
5,215,177.96x = 21,045,306,957,831.79 - Step 5: Solve for x
x = 21,045,306,957,831.79/5,215,177.96 - Step 6: Final answer
x = 4,035,395.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.