Finding the Fourth Proportional to 3,818,875.64, 5,727,088.27 and 1,259,515.20
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Solution
The fourth proportional to 3,818,875.64, 5,727,088.27 and 1,259,515.20 is: 1,888,868.71
Step by Step Solution
- Step 1: Write the proportion equation
3,818,875.64 : 5,727,088.27 = 1,259,515.20 : x - Step 2: Convert to fraction form
3,818,875.64/5,727,088.27 = 1,259,515.20/x - Step 3: Cross multiply
3,818,875.64x = 5,727,088.27 × 1,259,515.20 - Step 4: Simplify right side
3,818,875.64x = 7,213,354,721,509.13 - Step 5: Solve for x
x = 7,213,354,721,509.13/3,818,875.64 - Step 6: Final answer
x = 1,888,868.71
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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.