Finding the Fourth Proportional to 2,972,462.60, 4,102,251.37 and 1,683,532.28
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Solution
The fourth proportional to 2,972,462.60, 4,102,251.37 and 1,683,532.28 is: 2,323,417.83
Step by Step Solution
- Step 1: Write the proportion equation
2,972,462.60 : 4,102,251.37 = 1,683,532.28 : x - Step 2: Convert to fraction form
2,972,462.60/4,102,251.37 = 1,683,532.28/x - Step 3: Cross multiply
2,972,462.60x = 4,102,251.37 × 1,683,532.28 - Step 4: Simplify right side
2,972,462.60x = 6,906,272,602,069.22 - Step 5: Solve for x
x = 6,906,272,602,069.22/2,972,462.60 - Step 6: Final answer
x = 2,323,417.83
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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.