Finding the Fourth Proportional to 2,009,487.36, 2,772,931.68 and 1,149,850.56
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Solution
The fourth proportional to 2,009,487.36, 2,772,931.68 and 1,149,850.56 is: 1,586,701.72
Step by Step Solution
- Step 1: Write the proportion equation
2,009,487.36 : 2,772,931.68 = 1,149,850.56 : x - Step 2: Convert to fraction form
2,009,487.36/2,772,931.68 = 1,149,850.56/x - Step 3: Cross multiply
2,009,487.36x = 2,772,931.68 × 1,149,850.56 - Step 4: Simplify right side
2,009,487.36x = 3,188,457,045,089.74 - Step 5: Solve for x
x = 3,188,457,045,089.74/2,009,487.36 - Step 6: Final answer
x = 1,586,701.72
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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.