Finding the Fourth Proportional to 5,055,347.60, 7,583,021.40 and 1,461,231.80
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Solution
The fourth proportional to 5,055,347.60, 7,583,021.40 and 1,461,231.80 is: 2,191,847.70
Step by Step Solution
- Step 1: Write the proportion equation
5,055,347.60 : 7,583,021.40 = 1,461,231.80 : x - Step 2: Convert to fraction form
5,055,347.60/7,583,021.40 = 1,461,231.80/x - Step 3: Cross multiply
5,055,347.60x = 7,583,021.40 × 1,461,231.80 - Step 4: Simplify right side
5,055,347.60x = 11,080,552,009,760.52 - Step 5: Solve for x
x = 11,080,552,009,760.52/5,055,347.60 - Step 6: Final answer
x = 2,191,847.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.