Finding the Fourth Proportional to 1,395,874.41, 1,926,170.65 and 783,888.02
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Solution
The fourth proportional to 1,395,874.41, 1,926,170.65 and 783,888.02 is: 1,081,689.07
Step by Step Solution
- Step 1: Write the proportion equation
1,395,874.41 : 1,926,170.65 = 783,888.02 : x - Step 2: Convert to fraction form
1,395,874.41/1,926,170.65 = 783,888.02/x - Step 3: Cross multiply
1,395,874.41x = 1,926,170.65 × 783,888.02 - Step 4: Simplify right side
1,395,874.41x = 1,509,902,097,010.61 - Step 5: Solve for x
x = 1,509,902,097,010.61/1,395,874.41 - Step 6: Final answer
x = 1,081,689.07
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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.