Finding the Fourth Proportional to 7,379,053.74, 10,182,655.62 and 4,281,337.14
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Solution
The fourth proportional to 7,379,053.74, 10,182,655.62 and 4,281,337.14 is: 5,907,990.81
Step by Step Solution
- Step 1: Write the proportion equation
7,379,053.74 : 10,182,655.62 = 4,281,337.14 : x - Step 2: Convert to fraction form
7,379,053.74/10,182,655.62 = 4,281,337.14/x - Step 3: Cross multiply
7,379,053.74x = 10,182,655.62 × 4,281,337.14 - Step 4: Simplify right side
7,379,053.74x = 43,595,381,689,735.72 - Step 5: Solve for x
x = 43,595,381,689,735.72/7,379,053.74 - Step 6: Final answer
x = 5,907,990.81
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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.