Finding the Fourth Proportional to 1,368,210.26, 1,888,128.96 and 824,368.98
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Solution
The fourth proportional to 1,368,210.26, 1,888,128.96 and 824,368.98 is: 1,137,628.47
Step by Step Solution
- Step 1: Write the proportion equation
1,368,210.26 : 1,888,128.96 = 824,368.98 : x - Step 2: Convert to fraction form
1,368,210.26/1,888,128.96 = 824,368.98/x - Step 3: Cross multiply
1,368,210.26x = 1,888,128.96 × 824,368.98 - Step 4: Simplify right side
1,368,210.26x = 1,556,514,944,863.66 - Step 5: Solve for x
x = 1,556,514,944,863.66/1,368,210.26 - Step 6: Final answer
x = 1,137,628.47
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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.