Finding the Fourth Proportional to 7,235,065.60, 10,854,153.60 and 2,186,886.40
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Solution
The fourth proportional to 7,235,065.60, 10,854,153.60 and 2,186,886.40 is: 3,280,799.68
Step by Step Solution
- Step 1: Write the proportion equation
7,235,065.60 : 10,854,153.60 = 2,186,886.40 : x - Step 2: Convert to fraction form
7,235,065.60/10,854,153.60 = 2,186,886.40/x - Step 3: Cross multiply
7,235,065.60x = 10,854,153.60 × 2,186,886.40 - Step 4: Simplify right side
7,235,065.60x = 23,736,800,891,351.04 - Step 5: Solve for x
x = 23,736,800,891,351.04/7,235,065.60 - Step 6: Final answer
x = 3,280,799.68
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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.