Finding the Fourth Proportional to 2,878,653.24, 3,972,515.82 and 1,589,465.88
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Solution
The fourth proportional to 2,878,653.24, 3,972,515.82 and 1,589,465.88 is: 2,193,448.75
Step by Step Solution
- Step 1: Write the proportion equation
2,878,653.24 : 3,972,515.82 = 1,589,465.88 : x - Step 2: Convert to fraction form
2,878,653.24/3,972,515.82 = 1,589,465.88/x - Step 3: Cross multiply
2,878,653.24x = 3,972,515.82 × 1,589,465.88 - Step 4: Simplify right side
2,878,653.24x = 6,314,178,353,650.22 - Step 5: Solve for x
x = 6,314,178,353,650.22/2,878,653.24 - Step 6: Final answer
x = 2,193,448.75
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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.