Finding the Fourth Proportional to 1,455,068.66, 2,008,056.70 and 810,489.14
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Solution
The fourth proportional to 1,455,068.66, 2,008,056.70 and 810,489.14 is: 1,118,509.52
Step by Step Solution
- Step 1: Write the proportion equation
1,455,068.66 : 2,008,056.70 = 810,489.14 : x - Step 2: Convert to fraction form
1,455,068.66/2,008,056.70 = 810,489.14/x - Step 3: Cross multiply
1,455,068.66x = 2,008,056.70 × 810,489.14 - Step 4: Simplify right side
1,455,068.66x = 1,627,508,144,077.78 - Step 5: Solve for x
x = 1,627,508,144,077.78/1,455,068.66 - Step 6: Final answer
x = 1,118,509.52
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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.