Finding the Fourth Proportional to 6,518,509.41, 8,995,367.48 and 3,578,328.48
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Solution
The fourth proportional to 6,518,509.41, 8,995,367.48 and 3,578,328.48 is: 4,937,996.96
Step by Step Solution
- Step 1: Write the proportion equation
6,518,509.41 : 8,995,367.48 = 3,578,328.48 : x - Step 2: Convert to fraction form
6,518,509.41/8,995,367.48 = 3,578,328.48/x - Step 3: Cross multiply
6,518,509.41x = 8,995,367.48 × 3,578,328.48 - Step 4: Simplify right side
6,518,509.41x = 32,188,379,641,749.83 - Step 5: Solve for x
x = 32,188,379,641,749.83/6,518,509.41 - Step 6: Final answer
x = 4,937,996.96
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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.