Finding the Fourth Proportional to 3,071,820.09, 4,239,113.52 and 1,713,693.09
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Solution
The fourth proportional to 3,071,820.09, 4,239,113.52 and 1,713,693.09 is: 2,364,897.47
Step by Step Solution
- Step 1: Write the proportion equation
3,071,820.09 : 4,239,113.52 = 1,713,693.09 : x - Step 2: Convert to fraction form
3,071,820.09/4,239,113.52 = 1,713,693.09/x - Step 3: Cross multiply
3,071,820.09x = 4,239,113.52 × 1,713,693.09 - Step 4: Simplify right side
3,071,820.09x = 7,264,539,546,949.58 - Step 5: Solve for x
x = 7,264,539,546,949.58/3,071,820.09 - Step 6: Final answer
x = 2,364,897.47
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1.5x scale
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.