Finding the Fourth Proportional to 1,624,903.40, 2,246,647.14 and 1,423,121
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Solution
The fourth proportional to 1,624,903.40, 2,246,647.14 and 1,423,121 is: 1,967,655.88
Step by Step Solution
- Step 1: Write the proportion equation
1,624,903.40 : 2,246,647.14 = 1,423,121 : x - Step 2: Convert to fraction form
1,624,903.40/2,246,647.14 = 1,423,121/x - Step 3: Cross multiply
1,624,903.40x = 2,246,647.14 × 1,423,121 - Step 4: Simplify right side
1,624,903.40x = 3,197,250,724,523.94 - Step 5: Solve for x
x = 3,197,250,724,523.94/1,624,903.40 - Step 6: Final answer
x = 1,967,655.88
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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.