Finding the Fourth Proportional to 5,338,401.32, 8,005,947.36 and 1,926,246.66
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Solution
The fourth proportional to 5,338,401.32, 8,005,947.36 and 1,926,246.66 is: 2,888,772.95
Step by Step Solution
- Step 1: Write the proportion equation
5,338,401.32 : 8,005,947.36 = 1,926,246.66 : x - Step 2: Convert to fraction form
5,338,401.32/8,005,947.36 = 1,926,246.66/x - Step 3: Cross multiply
5,338,401.32x = 8,005,947.36 × 1,926,246.66 - Step 4: Simplify right side
5,338,401.32x = 15,421,429,325,090.09 - Step 5: Solve for x
x = 15,421,429,325,090.09/5,338,401.32 - Step 6: Final answer
x = 2,888,772.95
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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.