Finding the Fourth Proportional to 1,497,891.70, 2,246,837.55 and 1,311,267.70
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Solution
The fourth proportional to 1,497,891.70, 2,246,837.55 and 1,311,267.70 is: 1,966,901.55
Step by Step Solution
- Step 1: Write the proportion equation
1,497,891.70 : 2,246,837.55 = 1,311,267.70 : x - Step 2: Convert to fraction form
1,497,891.70/2,246,837.55 = 1,311,267.70/x - Step 3: Cross multiply
1,497,891.70x = 2,246,837.55 × 1,311,267.70 - Step 4: Simplify right side
1,497,891.70x = 2,946,205,506,462.14 - Step 5: Solve for x
x = 2,946,205,506,462.14/1,497,891.70 - Step 6: Final answer
x = 1,966,901.55
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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.