Finding the Fourth Proportional to 1,553,176.67, 2,143,363.36 and 855,444.07
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Solution
The fourth proportional to 1,553,176.67, 2,143,363.36 and 855,444.07 is: 1,180,501.56
Step by Step Solution
- Step 1: Write the proportion equation
1,553,176.67 : 2,143,363.36 = 855,444.07 : x - Step 2: Convert to fraction form
1,553,176.67/2,143,363.36 = 855,444.07/x - Step 3: Cross multiply
1,553,176.67x = 2,143,363.36 × 855,444.07 - Step 4: Simplify right side
1,553,176.67x = 1,833,527,478,311.83 - Step 5: Solve for x
x = 1,833,527,478,311.83/1,553,176.67 - Step 6: Final answer
x = 1,180,501.56
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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.