Finding the Fourth Proportional to 3,641,216.06, 5,024,888.84 and 1,987,378.45
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Solution
The fourth proportional to 3,641,216.06, 5,024,888.84 and 1,987,378.45 is: 2,742,588.09
Step by Step Solution
- Step 1: Write the proportion equation
3,641,216.06 : 5,024,888.84 = 1,987,378.45 : x - Step 2: Convert to fraction form
3,641,216.06/5,024,888.84 = 1,987,378.45/x - Step 3: Cross multiply
3,641,216.06x = 5,024,888.84 × 1,987,378.45 - Step 4: Simplify right side
3,641,216.06x = 9,986,355,794,261.50 - Step 5: Solve for x
x = 9,986,355,794,261.50/3,641,216.06 - Step 6: Final answer
x = 2,742,588.09
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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.