Finding the Fourth Proportional to 4,210,103.21, 5,808,616.16 and 2,576,807.87
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Solution
The fourth proportional to 4,210,103.21, 5,808,616.16 and 2,576,807.87 is: 3,555,183.11
Step by Step Solution
- Step 1: Write the proportion equation
4,210,103.21 : 5,808,616.16 = 2,576,807.87 : x - Step 2: Convert to fraction form
4,210,103.21/5,808,616.16 = 2,576,807.87/x - Step 3: Cross multiply
4,210,103.21x = 5,808,616.16 × 2,576,807.87 - Step 4: Simplify right side
4,210,103.21x = 14,967,687,792,970.06 - Step 5: Solve for x
x = 14,967,687,792,970.06/4,210,103.21 - Step 6: Final answer
x = 3,555,183.11
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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.