Finding the Fourth Proportional to 5,064,340.11, 6,989,454.63 and 2,888,384.46
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Solution
The fourth proportional to 5,064,340.11, 6,989,454.63 and 2,888,384.46 is: 3,986,349.99
Step by Step Solution
- Step 1: Write the proportion equation
5,064,340.11 : 6,989,454.63 = 2,888,384.46 : x - Step 2: Convert to fraction form
5,064,340.11/6,989,454.63 = 2,888,384.46/x - Step 3: Cross multiply
5,064,340.11x = 6,989,454.63 × 2,888,384.46 - Step 4: Simplify right side
5,064,340.11x = 20,188,232,137,167.05 - Step 5: Solve for x
x = 20,188,232,137,167.05/5,064,340.11 - Step 6: Final answer
x = 3,986,349.99
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1.5x scale
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.