Finding the Fourth Proportional to 1,430,442.08, 2,146,186.38 and 1,345,936.40
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Solution
The fourth proportional to 1,430,442.08, 2,146,186.38 and 1,345,936.40 is: 2,019,396.95
Step by Step Solution
- Step 1: Write the proportion equation
1,430,442.08 : 2,146,186.38 = 1,345,936.40 : x - Step 2: Convert to fraction form
1,430,442.08/2,146,186.38 = 1,345,936.40/x - Step 3: Cross multiply
1,430,442.08x = 2,146,186.38 × 1,345,936.40 - Step 4: Simplify right side
1,430,442.08x = 2,888,630,370,026.23 - Step 5: Solve for x
x = 2,888,630,370,026.23/1,430,442.08 - Step 6: Final answer
x = 2,019,396.95
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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.