Finding the Fourth Proportional to 2,754,470.18, 3,799,989.74 and 1,720,182.35
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Solution
The fourth proportional to 2,754,470.18, 3,799,989.74 and 1,720,182.35 is: 2,373,115.28
Step by Step Solution
- Step 1: Write the proportion equation
2,754,470.18 : 3,799,989.74 = 1,720,182.35 : x - Step 2: Convert to fraction form
2,754,470.18/3,799,989.74 = 1,720,182.35/x - Step 3: Cross multiply
2,754,470.18x = 3,799,989.74 × 1,720,182.35 - Step 4: Simplify right side
2,754,470.18x = 6,536,675,280,929.09 - Step 5: Solve for x
x = 6,536,675,280,929.09/2,754,470.18 - Step 6: Final answer
x = 2,373,115.28
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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.