Finding the Fourth Proportional to 5,142,150.76, 7,096,014.26 and 2,818,963.81
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Solution
The fourth proportional to 5,142,150.76, 7,096,014.26 and 2,818,963.81 is: 3,890,085.75
Step by Step Solution
- Step 1: Write the proportion equation
5,142,150.76 : 7,096,014.26 = 2,818,963.81 : x - Step 2: Convert to fraction form
5,142,150.76/7,096,014.26 = 2,818,963.81/x - Step 3: Cross multiply
5,142,150.76x = 7,096,014.26 × 2,818,963.81 - Step 4: Simplify right side
5,142,150.76x = 20,003,407,362,349.08 - Step 5: Solve for x
x = 20,003,407,362,349.08/5,142,150.76 - Step 6: Final answer
x = 3,890,085.75
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1.5x scale
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.