Finding the Fourth Proportional to 5,585,412.95, 8,378,119.91 and 1,798,895.83
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Solution
The fourth proportional to 5,585,412.95, 8,378,119.91 and 1,798,895.83 is: 2,698,343.90
Step by Step Solution
- Step 1: Write the proportion equation
5,585,412.95 : 8,378,119.91 = 1,798,895.83 : x - Step 2: Convert to fraction form
5,585,412.95/8,378,119.91 = 1,798,895.83/x - Step 3: Cross multiply
5,585,412.95x = 8,378,119.91 × 1,798,895.83 - Step 4: Simplify right side
5,585,412.95x = 15,071,364,969,338.98 - Step 5: Solve for x
x = 15,071,364,969,338.98/5,585,412.95 - Step 6: Final answer
x = 2,698,343.90
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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.