Finding the Fourth Proportional to 3,130,218.30, 4,688,329.05 and 2,417,936.70
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Solution
The fourth proportional to 3,130,218.30, 4,688,329.05 and 2,417,936.70 is: 3,621,499.14
Step by Step Solution
- Step 1: Write the proportion equation
3,130,218.30 : 4,688,329.05 = 2,417,936.70 : x - Step 2: Convert to fraction form
3,130,218.30/4,688,329.05 = 2,417,936.70/x - Step 3: Cross multiply
3,130,218.30x = 4,688,329.05 × 2,417,936.70 - Step 4: Simplify right side
3,130,218.30x = 11,336,082,871,671.13 - Step 5: Solve for x
x = 11,336,082,871,671.13/3,130,218.30 - Step 6: Final answer
x = 3,621,499.14
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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.