Finding the Fourth Proportional to 1,675,369.63, 2,313,406.34 and 1,553,802.67
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Solution
The fourth proportional to 1,675,369.63, 2,313,406.34 and 1,553,802.67 is: 2,145,542.62
Step by Step Solution
- Step 1: Write the proportion equation
1,675,369.63 : 2,313,406.34 = 1,553,802.67 : x - Step 2: Convert to fraction form
1,675,369.63/2,313,406.34 = 1,553,802.67/x - Step 3: Cross multiply
1,675,369.63x = 2,313,406.34 × 1,553,802.67 - Step 4: Simplify right side
1,675,369.63x = 3,594,576,947,886.93 - Step 5: Solve for x
x = 3,594,576,947,886.93/1,675,369.63 - Step 6: Final answer
x = 2,145,542.62
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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.