Finding the Fourth Proportional to 3,427,263.12, 4,729,593.72 and 1,878,610.80
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Solution
The fourth proportional to 3,427,263.12, 4,729,593.72 and 1,878,610.80 is: 2,592,466.80
Step by Step Solution
- Step 1: Write the proportion equation
3,427,263.12 : 4,729,593.72 = 1,878,610.80 : x - Step 2: Convert to fraction form
3,427,263.12/4,729,593.72 = 1,878,610.80/x - Step 3: Cross multiply
3,427,263.12x = 4,729,593.72 × 1,878,610.80 - Step 4: Simplify right side
3,427,263.12x = 8,885,065,842,004.18 - Step 5: Solve for x
x = 8,885,065,842,004.18/3,427,263.12 - Step 6: Final answer
x = 2,592,466.80
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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.