Finding the Fourth Proportional to 1,700,938.06, 2,551,343.29 and 421,549.74
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Solution
The fourth proportional to 1,700,938.06, 2,551,343.29 and 421,549.74 is: 632,308.80
Step by Step Solution
- Step 1: Write the proportion equation
1,700,938.06 : 2,551,343.29 = 421,549.74 : x - Step 2: Convert to fraction form
1,700,938.06/2,551,343.29 = 421,549.74/x - Step 3: Cross multiply
1,700,938.06x = 2,551,343.29 × 421,549.74 - Step 4: Simplify right side
1,700,938.06x = 1,075,518,099,496.37 - Step 5: Solve for x
x = 1,075,518,099,496.37/1,700,938.06 - Step 6: Final answer
x = 632,308.80
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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.