Finding the Fourth Proportional to 3,071,811.07, 4,239,101.09 and 1,713,684.07
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Solution
The fourth proportional to 3,071,811.07, 4,239,101.09 and 1,713,684.07 is: 2,364,885.03
Step by Step Solution
- Step 1: Write the proportion equation
3,071,811.07 : 4,239,101.09 = 1,713,684.07 : x - Step 2: Convert to fraction form
3,071,811.07/4,239,101.09 = 1,713,684.07/x - Step 3: Cross multiply
3,071,811.07x = 4,239,101.09 × 1,713,684.07 - Step 4: Simplify right side
3,071,811.07x = 7,264,480,009,052.64 - Step 5: Solve for x
x = 7,264,480,009,052.64/3,071,811.07 - Step 6: Final answer
x = 2,364,885.03
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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.