Finding the Fourth Proportional to 1,982,962.56, 2,736,528.84 and 1,077,602.88
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Solution
The fourth proportional to 1,982,962.56, 2,736,528.84 and 1,077,602.88 is: 1,487,113.99
Step by Step Solution
- Step 1: Write the proportion equation
1,982,962.56 : 2,736,528.84 = 1,077,602.88 : x - Step 2: Convert to fraction form
1,982,962.56/2,736,528.84 = 1,077,602.88/x - Step 3: Cross multiply
1,982,962.56x = 2,736,528.84 × 1,077,602.88 - Step 4: Simplify right side
1,982,962.56x = 2,948,891,359,187.06 - Step 5: Solve for x
x = 2,948,891,359,187.06/1,982,962.56 - Step 6: Final answer
x = 1,487,113.99
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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.