Finding the Fourth Proportional to 1,999,055.23, 2,998,580.51 and 651,215.70
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Solution
The fourth proportional to 1,999,055.23, 2,998,580.51 and 651,215.70 is: 976,822.79
Step by Step Solution
- Step 1: Write the proportion equation
1,999,055.23 : 2,998,580.51 = 651,215.70 : x - Step 2: Convert to fraction form
1,999,055.23/2,998,580.51 = 651,215.70/x - Step 3: Cross multiply
1,999,055.23x = 2,998,580.51 × 651,215.70 - Step 4: Simplify right side
1,999,055.23x = 1,952,722,707,454.05 - Step 5: Solve for x
x = 1,952,722,707,454.05/1,999,055.23 - Step 6: Final answer
x = 976,822.79
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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.