Finding the Fourth Proportional to 2,575,220.07, 3,554,173.95 and 1,542,772.02
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Solution
The fourth proportional to 2,575,220.07, 3,554,173.95 and 1,542,772.02 is: 2,129,247.20
Step by Step Solution
- Step 1: Write the proportion equation
2,575,220.07 : 3,554,173.95 = 1,542,772.02 : x - Step 2: Convert to fraction form
2,575,220.07/3,554,173.95 = 1,542,772.02/x - Step 3: Cross multiply
2,575,220.07x = 3,554,173.95 × 1,542,772.02 - Step 4: Simplify right side
2,575,220.07x = 5,483,280,124,272.88 - Step 5: Solve for x
x = 5,483,280,124,272.88/2,575,220.07 - Step 6: Final answer
x = 2,129,247.20
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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.