Finding the Fourth Proportional to 2,620,995.20, 3,618,089.34 and 1,762,053.68
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Solution
The fourth proportional to 2,620,995.20, 3,618,089.34 and 1,762,053.68 is: 2,432,384.32
Step by Step Solution
- Step 1: Write the proportion equation
2,620,995.20 : 3,618,089.34 = 1,762,053.68 : x - Step 2: Convert to fraction form
2,620,995.20/3,618,089.34 = 1,762,053.68/x - Step 3: Cross multiply
2,620,995.20x = 3,618,089.34 × 1,762,053.68 - Step 4: Simplify right side
2,620,995.20x = 6,375,267,636,115.77 - Step 5: Solve for x
x = 6,375,267,636,115.77/2,620,995.20 - Step 6: Final answer
x = 2,432,384.32
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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.