Finding the Fourth Proportional to 5,340,774.58, 8,011,161.98 and 1,297,235.15
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Solution
The fourth proportional to 5,340,774.58, 8,011,161.98 and 1,297,235.15 is: 1,945,852.75
Step by Step Solution
- Step 1: Write the proportion equation
5,340,774.58 : 8,011,161.98 = 1,297,235.15 : x - Step 2: Convert to fraction form
5,340,774.58/8,011,161.98 = 1,297,235.15/x - Step 3: Cross multiply
5,340,774.58x = 8,011,161.98 × 1,297,235.15 - Step 4: Simplify right side
5,340,774.58x = 10,392,360,926,341.33 - Step 5: Solve for x
x = 10,392,360,926,341.33/5,340,774.58 - Step 6: Final answer
x = 1,945,852.75
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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.