Finding the Fourth Proportional to 1,934,963.62, 2,670,281.76 and 1,063,835.14
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Solution
The fourth proportional to 1,934,963.62, 2,670,281.76 and 1,063,835.14 is: 1,468,110.07
Step by Step Solution
- Step 1: Write the proportion equation
1,934,963.62 : 2,670,281.76 = 1,063,835.14 : x - Step 2: Convert to fraction form
1,934,963.62/2,670,281.76 = 1,063,835.14/x - Step 3: Cross multiply
1,934,963.62x = 2,670,281.76 × 1,063,835.14 - Step 4: Simplify right side
1,934,963.62x = 2,840,739,569,989.05 - Step 5: Solve for x
x = 2,840,739,569,989.05/1,934,963.62 - Step 6: Final answer
x = 1,468,110.07
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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.