Finding the Fourth Proportional to 1,440,255.07, 2,160,963.53 and 640,989.95
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Solution
The fourth proportional to 1,440,255.07, 2,160,963.53 and 640,989.95 is: 961,743.46
Step by Step Solution
- Step 1: Write the proportion equation
1,440,255.07 : 2,160,963.53 = 640,989.95 : x - Step 2: Convert to fraction form
1,440,255.07/2,160,963.53 = 640,989.95/x - Step 3: Cross multiply
1,440,255.07x = 2,160,963.53 × 640,989.95 - Step 4: Simplify right side
1,440,255.07x = 1,385,155,891,036.76 - Step 5: Solve for x
x = 1,385,155,891,036.76/1,440,255.07 - Step 6: Final answer
x = 961,743.46
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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.