Finding the Fourth Proportional to 3,516,905.64, 5,275,260.05 and 1,120,894.05
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Solution
The fourth proportional to 3,516,905.64, 5,275,260.05 and 1,120,894.05 is: 1,681,309.71
Step by Step Solution
- Step 1: Write the proportion equation
3,516,905.64 : 5,275,260.05 = 1,120,894.05 : x - Step 2: Convert to fraction form
3,516,905.64/5,275,260.05 = 1,120,894.05/x - Step 3: Cross multiply
3,516,905.64x = 5,275,260.05 × 1,120,894.05 - Step 4: Simplify right side
3,516,905.64x = 5,913,007,596,643.23 - Step 5: Solve for x
x = 5,913,007,596,643.23/3,516,905.64 - Step 6: Final answer
x = 1,681,309.71
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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.