Finding the Fourth Proportional to 4,281,168.84, 6,421,130.57 and 1,247,720.41
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Solution
The fourth proportional to 4,281,168.84, 6,421,130.57 and 1,247,720.41 is: 1,871,399.13
Step by Step Solution
- Step 1: Write the proportion equation
4,281,168.84 : 6,421,130.57 = 1,247,720.41 : x - Step 2: Convert to fraction form
4,281,168.84/6,421,130.57 = 1,247,720.41/x - Step 3: Cross multiply
4,281,168.84x = 6,421,130.57 × 1,247,720.41 - Step 4: Simplify right side
4,281,168.84x = 8,011,775,635,472.36 - Step 5: Solve for x
x = 8,011,775,635,472.36/4,281,168.84 - Step 6: Final answer
x = 1,871,399.13
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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.