Finding the Fourth Proportional to 5,395,480.12, 7,440,701.28 and 3,462,349.24
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Solution
The fourth proportional to 5,395,480.12, 7,440,701.28 and 3,462,349.24 is: 4,774,794.06
Step by Step Solution
- Step 1: Write the proportion equation
5,395,480.12 : 7,440,701.28 = 3,462,349.24 : x - Step 2: Convert to fraction form
5,395,480.12/7,440,701.28 = 3,462,349.24/x - Step 3: Cross multiply
5,395,480.12x = 7,440,701.28 × 3,462,349.24 - Step 4: Simplify right side
5,395,480.12x = 25,762,306,421,875.03 - Step 5: Solve for x
x = 25,762,306,421,875.03/5,395,480.12 - Step 6: Final answer
x = 4,774,794.06
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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.