Finding the Fourth Proportional to 1,888,599.06, 2,606,266.80 and 1,029,159.09
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Solution
The fourth proportional to 1,888,599.06, 2,606,266.80 and 1,029,159.09 is: 1,420,239.60
Step by Step Solution
- Step 1: Write the proportion equation
1,888,599.06 : 2,606,266.80 = 1,029,159.09 : x - Step 2: Convert to fraction form
1,888,599.06/2,606,266.80 = 1,029,159.09/x - Step 3: Cross multiply
1,888,599.06x = 2,606,266.80 × 1,029,159.09 - Step 4: Simplify right side
1,888,599.06x = 2,682,263,168,185.21 - Step 5: Solve for x
x = 2,682,263,168,185.21/1,888,599.06 - Step 6: Final answer
x = 1,420,239.60
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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.