Finding the Fourth Proportional to 3,671,936.48, 5,470,998.76 and 3,465,666.95
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Solution
The fourth proportional to 3,671,936.48, 5,470,998.76 and 3,465,666.95 is: 5,163,667.63
Step by Step Solution
- Step 1: Write the proportion equation
3,671,936.48 : 5,470,998.76 = 3,465,666.95 : x - Step 2: Convert to fraction form
3,671,936.48/5,470,998.76 = 3,465,666.95/x - Step 3: Cross multiply
3,671,936.48x = 5,470,998.76 × 3,465,666.95 - Step 4: Simplify right side
3,671,936.48x = 18,960,659,563,000.07 - Step 5: Solve for x
x = 18,960,659,563,000.07/3,671,936.48 - Step 6: Final answer
x = 5,163,667.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.