Finding the Fourth Proportional to 1,420,181.17, 2,130,315.49 and 621,051.37
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Solution
The fourth proportional to 1,420,181.17, 2,130,315.49 and 621,051.37 is: 931,596.18
Step by Step Solution
- Step 1: Write the proportion equation
1,420,181.17 : 2,130,315.49 = 621,051.37 : x - Step 2: Convert to fraction form
1,420,181.17/2,130,315.49 = 621,051.37/x - Step 3: Cross multiply
1,420,181.17x = 2,130,315.49 × 621,051.37 - Step 4: Simplify right side
1,420,181.17x = 1,323,035,349,047.25 - Step 5: Solve for x
x = 1,323,035,349,047.25/1,420,181.17 - Step 6: Final answer
x = 931,596.18
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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.