Finding the Fourth Proportional to 4,931,798.49, 6,805,859.22 and 2,756,340.99
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Solution
The fourth proportional to 4,931,798.49, 6,805,859.22 and 2,756,340.99 is: 3,803,737.88
Step by Step Solution
- Step 1: Write the proportion equation
4,931,798.49 : 6,805,859.22 = 2,756,340.99 : x - Step 2: Convert to fraction form
4,931,798.49/6,805,859.22 = 2,756,340.99/x - Step 3: Cross multiply
4,931,798.49x = 6,805,859.22 × 2,756,340.99 - Step 4: Simplify right side
4,931,798.49x = 18,759,268,740,255.43 - Step 5: Solve for x
x = 18,759,268,740,255.43/4,931,798.49 - Step 6: Final answer
x = 3,803,737.88
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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.