Finding the Fourth Proportional to 5,291,088.28, 7,935,782.76 and 1,452,014.08
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Solution
The fourth proportional to 5,291,088.28, 7,935,782.76 and 1,452,014.08 is: 2,177,787.95
Step by Step Solution
- Step 1: Write the proportion equation
5,291,088.28 : 7,935,782.76 = 1,452,014.08 : x - Step 2: Convert to fraction form
5,291,088.28/7,935,782.76 = 1,452,014.08/x - Step 3: Cross multiply
5,291,088.28x = 7,935,782.76 × 1,452,014.08 - Step 4: Simplify right side
5,291,088.28x = 11,522,868,303,341.26 - Step 5: Solve for x
x = 11,522,868,303,341.26/5,291,088.28 - Step 6: Final answer
x = 2,177,787.95
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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.