Finding the Fourth Proportional to 4,159,125.40, 6,243,353.70 and 3,216,674.20
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Solution
The fourth proportional to 4,159,125.40, 6,243,353.70 and 3,216,674.20 is: 4,828,619.68
Step by Step Solution
- Step 1: Write the proportion equation
4,159,125.40 : 6,243,353.70 = 3,216,674.20 : x - Step 2: Convert to fraction form
4,159,125.40/6,243,353.70 = 3,216,674.20/x - Step 3: Cross multiply
4,159,125.40x = 6,243,353.70 × 3,216,674.20 - Step 4: Simplify right side
4,159,125.40x = 20,082,834,768,264.54 - Step 5: Solve for x
x = 20,082,834,768,264.54/4,159,125.40 - Step 6: Final answer
x = 4,828,619.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.