Finding the Fourth Proportional to 2,349,512.88, 3,242,264.76 and 1,382,700.12
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Solution
The fourth proportional to 2,349,512.88, 3,242,264.76 and 1,382,700.12 is: 1,908,089.08
Step by Step Solution
- Step 1: Write the proportion equation
2,349,512.88 : 3,242,264.76 = 1,382,700.12 : x - Step 2: Convert to fraction form
2,349,512.88/3,242,264.76 = 1,382,700.12/x - Step 3: Cross multiply
2,349,512.88x = 3,242,264.76 × 1,382,700.12 - Step 4: Simplify right side
2,349,512.88x = 4,483,079,872,723.77 - Step 5: Solve for x
x = 4,483,079,872,723.77/2,349,512.88 - Step 6: Final answer
x = 1,908,089.08
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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.