Finding the Fourth Proportional to 1,543,618.96, 2,130,457.80 and 899,420.92
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Solution
The fourth proportional to 1,543,618.96, 2,130,457.80 and 899,420.92 is: 1,241,354.48
Step by Step Solution
- Step 1: Write the proportion equation
1,543,618.96 : 2,130,457.80 = 899,420.92 : x - Step 2: Convert to fraction form
1,543,618.96/2,130,457.80 = 899,420.92/x - Step 3: Cross multiply
1,543,618.96x = 2,130,457.80 × 899,420.92 - Step 4: Simplify right side
1,543,618.96x = 1,916,178,314,497.18 - Step 5: Solve for x
x = 1,916,178,314,497.18/1,543,618.96 - Step 6: Final answer
x = 1,241,354.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.