Finding the Fourth Proportional to 5,336,130.36, 7,363,851.44 and 2,888,740.74
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Solution
The fourth proportional to 5,336,130.36, 7,363,851.44 and 2,888,740.74 is: 3,986,457.64
Step by Step Solution
- Step 1: Write the proportion equation
5,336,130.36 : 7,363,851.44 = 2,888,740.74 : x - Step 2: Convert to fraction form
5,336,130.36/7,363,851.44 = 2,888,740.74/x - Step 3: Cross multiply
5,336,130.36x = 7,363,851.44 × 2,888,740.74 - Step 4: Simplify right side
5,336,130.36x = 21,272,257,643,591.96 - Step 5: Solve for x
x = 21,272,257,643,591.96/5,336,130.36 - Step 6: Final answer
x = 3,986,457.64
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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.