Finding the Fourth Proportional to 7,132,359.60, 10,698,539.40 and 2,340,205.20
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Solution
The fourth proportional to 7,132,359.60, 10,698,539.40 and 2,340,205.20 is: 3,510,307.80
Step by Step Solution
- Step 1: Write the proportion equation
7,132,359.60 : 10,698,539.40 = 2,340,205.20 : x - Step 2: Convert to fraction form
7,132,359.60/10,698,539.40 = 2,340,205.20/x - Step 3: Cross multiply
7,132,359.60x = 10,698,539.40 × 2,340,205.20 - Step 4: Simplify right side
7,132,359.60x = 25,036,777,536,284.88 - Step 5: Solve for x
x = 25,036,777,536,284.88/7,132,359.60 - Step 6: Final answer
x = 3,510,307.80
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1.5x scale
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.