Finding the Fourth Proportional to 2,577,889.20, 3,860,943.84 and 1,230,995.28
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Solution
The fourth proportional to 2,577,889.20, 3,860,943.84 and 1,230,995.28 is: 1,843,680.34
Step by Step Solution
- Step 1: Write the proportion equation
2,577,889.20 : 3,860,943.84 = 1,230,995.28 : x - Step 2: Convert to fraction form
2,577,889.20/3,860,943.84 = 1,230,995.28/x - Step 3: Cross multiply
2,577,889.20x = 3,860,943.84 × 1,230,995.28 - Step 4: Simplify right side
2,577,889.20x = 4,752,803,643,385.08 - Step 5: Solve for x
x = 4,752,803,643,385.08/2,577,889.20 - Step 6: Final answer
x = 1,843,680.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.