Finding the Fourth Proportional to 6,574,142.06, 9,861,213.17 and 1,781,831.31
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Solution
The fourth proportional to 6,574,142.06, 9,861,213.17 and 1,781,831.31 is: 2,672,746.99
Step by Step Solution
- Step 1: Write the proportion equation
6,574,142.06 : 9,861,213.17 = 1,781,831.31 : x - Step 2: Convert to fraction form
6,574,142.06/9,861,213.17 = 1,781,831.31/x - Step 3: Cross multiply
6,574,142.06x = 9,861,213.17 × 1,781,831.31 - Step 4: Simplify right side
6,574,142.06x = 17,571,018,371,981.20 - Step 5: Solve for x
x = 17,571,018,371,981.20/6,574,142.06 - Step 6: Final answer
x = 2,672,746.99
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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.