Finding the Fourth Proportional to 1,420,181.73, 2,130,316.34 and 621,051.93
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Solution
The fourth proportional to 1,420,181.73, 2,130,316.34 and 621,051.93 is: 931,597.02
Step by Step Solution
- Step 1: Write the proportion equation
1,420,181.73 : 2,130,316.34 = 621,051.93 : x - Step 2: Convert to fraction form
1,420,181.73/2,130,316.34 = 621,051.93/x - Step 3: Cross multiply
1,420,181.73x = 2,130,316.34 × 621,051.93 - Step 4: Simplify right side
1,420,181.73x = 1,323,037,071,362.28 - Step 5: Solve for x
x = 1,323,037,071,362.28/1,420,181.73 - Step 6: Final answer
x = 931,597.02
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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.