Finding the Fourth Proportional to 3,564,246.20, 5,346,369.30 and 1,645,153.70
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Solution
The fourth proportional to 3,564,246.20, 5,346,369.30 and 1,645,153.70 is: 2,467,730.55
Step by Step Solution
- Step 1: Write the proportion equation
3,564,246.20 : 5,346,369.30 = 1,645,153.70 : x - Step 2: Convert to fraction form
3,564,246.20/5,346,369.30 = 1,645,153.70/x - Step 3: Cross multiply
3,564,246.20x = 5,346,369.30 × 1,645,153.70 - Step 4: Simplify right side
3,564,246.20x = 8,795,599,235,461.41 - Step 5: Solve for x
x = 8,795,599,235,461.41/3,564,246.20 - Step 6: Final answer
x = 2,467,730.55
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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.