Finding the Fourth Proportional to 4,483,901.28, 6,725,663.76 and 2,086,921.44
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Solution
The fourth proportional to 4,483,901.28, 6,725,663.76 and 2,086,921.44 is: 3,130,294.59
Step by Step Solution
- Step 1: Write the proportion equation
4,483,901.28 : 6,725,663.76 = 2,086,921.44 : x - Step 2: Convert to fraction form
4,483,901.28/6,725,663.76 = 2,086,921.44/x - Step 3: Cross multiply
4,483,901.28x = 6,725,663.76 × 2,086,921.44 - Step 4: Simplify right side
4,483,901.28x = 14,035,931,898,975.01 - Step 5: Solve for x
x = 14,035,931,898,975.01/4,483,901.28 - Step 6: Final answer
x = 3,130,294.59
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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.