Finding the Fourth Proportional to 1,999,077.97, 2,758,490.51 and 1,127,861.88
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Solution
The fourth proportional to 1,999,077.97, 2,758,490.51 and 1,127,861.88 is: 1,556,315.64
Step by Step Solution
- Step 1: Write the proportion equation
1,999,077.97 : 2,758,490.51 = 1,127,861.88 : x - Step 2: Convert to fraction form
1,999,077.97/2,758,490.51 = 1,127,861.88/x - Step 3: Cross multiply
1,999,077.97x = 2,758,490.51 × 1,127,861.88 - Step 4: Simplify right side
1,999,077.97x = 3,111,196,292,570.76 - Step 5: Solve for x
x = 3,111,196,292,570.76/1,999,077.97 - Step 6: Final answer
x = 1,556,315.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.