Finding the Fourth Proportional to 7,055,152.80, 10,580,104.80 and 2,794,439.40
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Solution
The fourth proportional to 7,055,152.80, 10,580,104.80 and 2,794,439.40 is: 4,190,619.61
Step by Step Solution
- Step 1: Write the proportion equation
7,055,152.80 : 10,580,104.80 = 2,794,439.40 : x - Step 2: Convert to fraction form
7,055,152.80/10,580,104.80 = 2,794,439.40/x - Step 3: Cross multiply
7,055,152.80x = 10,580,104.80 × 2,794,439.40 - Step 4: Simplify right side
7,055,152.80x = 29,565,461,709,249.12 - Step 5: Solve for x
x = 29,565,461,709,249.12/7,055,152.80 - Step 6: Final answer
x = 4,190,619.61
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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.