Finding the Fourth Proportional to 1,484,605.80, 2,226,908.70 and 1,313,363.70
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Solution
The fourth proportional to 1,484,605.80, 2,226,908.70 and 1,313,363.70 is: 1,970,045.55
Step by Step Solution
- Step 1: Write the proportion equation
1,484,605.80 : 2,226,908.70 = 1,313,363.70 : x - Step 2: Convert to fraction form
1,484,605.80/2,226,908.70 = 1,313,363.70/x - Step 3: Cross multiply
1,484,605.80x = 2,226,908.70 × 1,313,363.70 - Step 4: Simplify right side
1,484,605.80x = 2,924,741,049,794.19 - Step 5: Solve for x
x = 2,924,741,049,794.19/1,484,605.80 - Step 6: Final answer
x = 1,970,045.55
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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.