Finding the Fourth Proportional to 1,488,239.40, 2,053,746.18 and 809,193
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Solution
The fourth proportional to 1,488,239.40, 2,053,746.18 and 809,193 is: 1,116,673.19
Step by Step Solution
- Step 1: Write the proportion equation
1,488,239.40 : 2,053,746.18 = 809,193 : x - Step 2: Convert to fraction form
1,488,239.40/2,053,746.18 = 809,193/x - Step 3: Cross multiply
1,488,239.40x = 2,053,746.18 × 809,193 - Step 4: Simplify right side
1,488,239.40x = 1,661,877,032,632.74 - Step 5: Solve for x
x = 1,661,877,032,632.74/1,488,239.40 - Step 6: Final answer
x = 1,116,673.19
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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.