Finding the Fourth Proportional to 1,762,041.58, 2,431,422.36 and 977,087.76
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Solution
The fourth proportional to 1,762,041.58, 2,431,422.36 and 977,087.76 is: 1,348,272.97
Step by Step Solution
- Step 1: Write the proportion equation
1,762,041.58 : 2,431,422.36 = 977,087.76 : x - Step 2: Convert to fraction form
1,762,041.58/2,431,422.36 = 977,087.76/x - Step 3: Cross multiply
1,762,041.58x = 2,431,422.36 × 977,087.76 - Step 4: Simplify right side
1,762,041.58x = 2,375,713,027,346.31 - Step 5: Solve for x
x = 2,375,713,027,346.31/1,762,041.58 - Step 6: Final answer
x = 1,348,272.97
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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.