Finding the Fourth Proportional to 3,315,726.08, 4,575,568.64 and 1,865,450.24
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Solution
The fourth proportional to 3,315,726.08, 4,575,568.64 and 1,865,450.24 is: 2,574,246.31
Step by Step Solution
- Step 1: Write the proportion equation
3,315,726.08 : 4,575,568.64 = 1,865,450.24 : x - Step 2: Convert to fraction form
3,315,726.08/4,575,568.64 = 1,865,450.24/x - Step 3: Cross multiply
3,315,726.08x = 4,575,568.64 × 1,865,450.24 - Step 4: Simplify right side
3,315,726.08x = 8,535,495,617,624.47 - Step 5: Solve for x
x = 8,535,495,617,624.47/3,315,726.08 - Step 6: Final answer
x = 2,574,246.31
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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.