Finding the Fourth Proportional to 2,001,659.36, 2,762,487.12 and 1,142,348.96
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Solution
The fourth proportional to 2,001,659.36, 2,762,487.12 and 1,142,348.96 is: 1,576,554.11
Step by Step Solution
- Step 1: Write the proportion equation
2,001,659.36 : 2,762,487.12 = 1,142,348.96 : x - Step 2: Convert to fraction form
2,001,659.36/2,762,487.12 = 1,142,348.96/x - Step 3: Cross multiply
2,001,659.36x = 2,762,487.12 × 1,142,348.96 - Step 4: Simplify right side
2,001,659.36x = 3,155,724,288,545.40 - Step 5: Solve for x
x = 3,155,724,288,545.40/2,001,659.36 - Step 6: Final answer
x = 1,576,554.11
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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.