Finding the Fourth Proportional to 1,657,923.67, 2,486,885.04 and 459,846.13
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Solution
The fourth proportional to 1,657,923.67, 2,486,885.04 and 459,846.13 is: 689,769.07
Step by Step Solution
- Step 1: Write the proportion equation
1,657,923.67 : 2,486,885.04 = 459,846.13 : x - Step 2: Convert to fraction form
1,657,923.67/2,486,885.04 = 459,846.13/x - Step 3: Cross multiply
1,657,923.67x = 2,486,885.04 × 459,846.13 - Step 4: Simplify right side
1,657,923.67x = 1,143,584,461,398.90 - Step 5: Solve for x
x = 1,143,584,461,398.90/1,657,923.67 - Step 6: Final answer
x = 689,769.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.