Finding the Fourth Proportional to 1,628,066.52, 2,246,869.68 and 903,147.71
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Solution
The fourth proportional to 1,628,066.52, 2,246,869.68 and 903,147.71 is: 1,246,420.32
Step by Step Solution
- Step 1: Write the proportion equation
1,628,066.52 : 2,246,869.68 = 903,147.71 : x - Step 2: Convert to fraction form
1,628,066.52/2,246,869.68 = 903,147.71/x - Step 3: Cross multiply
1,628,066.52x = 2,246,869.68 × 903,147.71 - Step 4: Simplify right side
1,628,066.52x = 2,029,255,194,926.08 - Step 5: Solve for x
x = 2,029,255,194,926.08/1,628,066.52 - Step 6: Final answer
x = 1,246,420.32
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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.