Finding the Fourth Proportional to 5,064,579.98, 6,989,785.97 and 2,888,624.33
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Solution
The fourth proportional to 5,064,579.98, 6,989,785.97 and 2,888,624.33 is: 3,986,681.20
Step by Step Solution
- Step 1: Write the proportion equation
5,064,579.98 : 6,989,785.97 = 2,888,624.33 : x - Step 2: Convert to fraction form
5,064,579.98/6,989,785.97 = 2,888,624.33/x - Step 3: Cross multiply
5,064,579.98x = 6,989,785.97 × 2,888,624.33 - Step 4: Simplify right side
5,064,579.98x = 20,190,865,817,465.99 - Step 5: Solve for x
x = 20,190,865,817,465.99/5,064,579.98 - Step 6: Final answer
x = 3,986,681.20
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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.