Finding the Fourth Proportional to 2,980,356.47, 4,471,201.27 and 1,087,097.90
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Solution
The fourth proportional to 2,980,356.47, 4,471,201.27 and 1,087,097.90 is: 1,630,889.99
Step by Step Solution
- Step 1: Write the proportion equation
2,980,356.47 : 4,471,201.27 = 1,087,097.90 : x - Step 2: Convert to fraction form
2,980,356.47/4,471,201.27 = 1,087,097.90/x - Step 3: Cross multiply
2,980,356.47x = 4,471,201.27 × 1,087,097.90 - Step 4: Simplify right side
2,980,356.47x = 4,860,633,511,094.33 - Step 5: Solve for x
x = 4,860,633,511,094.33/2,980,356.47 - Step 6: Final answer
x = 1,630,889.99
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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.