Finding the Fourth Proportional to 1,554,153.08, 2,319,831.23 and 1,440,176.76
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Solution
The fourth proportional to 1,554,153.08, 2,319,831.23 and 1,440,176.76 is: 2,149,702.67
Step by Step Solution
- Step 1: Write the proportion equation
1,554,153.08 : 2,319,831.23 = 1,440,176.76 : x - Step 2: Convert to fraction form
1,554,153.08/2,319,831.23 = 1,440,176.76/x - Step 3: Cross multiply
1,554,153.08x = 2,319,831.23 × 1,440,176.76 - Step 4: Simplify right side
1,554,153.08x = 3,340,967,017,367.33 - Step 5: Solve for x
x = 3,340,967,017,367.33/1,554,153.08 - Step 6: Final answer
x = 2,149,702.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.