Finding the Fourth Proportional to 2,573,710.36, 3,551,724.48 and 1,427,790.70
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Solution
The fourth proportional to 2,573,710.36, 3,551,724.48 and 1,427,790.70 is: 1,970,353.49
Step by Step Solution
- Step 1: Write the proportion equation
2,573,710.36 : 3,551,724.48 = 1,427,790.70 : x - Step 2: Convert to fraction form
2,573,710.36/3,551,724.48 = 1,427,790.70/x - Step 3: Cross multiply
2,573,710.36x = 3,551,724.48 × 1,427,790.70 - Step 4: Simplify right side
2,573,710.36x = 5,071,119,181,506.34 - Step 5: Solve for x
x = 5,071,119,181,506.34/2,573,710.36 - Step 6: Final answer
x = 1,970,353.49
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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.