Finding the Fourth Proportional to 1,462,251.70, 2,190,425.10 and 830,427.40
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Solution
The fourth proportional to 1,462,251.70, 2,190,425.10 and 830,427.40 is: 1,243,964.37
Step by Step Solution
- Step 1: Write the proportion equation
1,462,251.70 : 2,190,425.10 = 830,427.40 : x - Step 2: Convert to fraction form
1,462,251.70/2,190,425.10 = 830,427.40/x - Step 3: Cross multiply
1,462,251.70x = 2,190,425.10 × 830,427.40 - Step 4: Simplify right side
1,462,251.70x = 1,818,989,020,687.74 - Step 5: Solve for x
x = 1,818,989,020,687.74/1,462,251.70 - Step 6: Final answer
x = 1,243,964.37
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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.