Finding the Fourth Proportional to 2,553,289.16, 3,523,539.05 and 1,407,394.11
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Solution
The fourth proportional to 2,553,289.16, 3,523,539.05 and 1,407,394.11 is: 1,942,203.87
Step by Step Solution
- Step 1: Write the proportion equation
2,553,289.16 : 3,523,539.05 = 1,407,394.11 : x - Step 2: Convert to fraction form
2,553,289.16/3,523,539.05 = 1,407,394.11/x - Step 3: Cross multiply
2,553,289.16x = 3,523,539.05 × 1,407,394.11 - Step 4: Simplify right side
2,553,289.16x = 4,959,008,098,288.03 - Step 5: Solve for x
x = 4,959,008,098,288.03/2,553,289.16 - Step 6: Final answer
x = 1,942,203.87
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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.