Finding the Fourth Proportional to 1,835,143.80, 2,752,715.70 and 487,303.80
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Solution
The fourth proportional to 1,835,143.80, 2,752,715.70 and 487,303.80 is: 730,955.70
Step by Step Solution
- Step 1: Write the proportion equation
1,835,143.80 : 2,752,715.70 = 487,303.80 : x - Step 2: Convert to fraction form
1,835,143.80/2,752,715.70 = 487,303.80/x - Step 3: Cross multiply
1,835,143.80x = 2,752,715.70 × 487,303.80 - Step 4: Simplify right side
1,835,143.80x = 1,341,408,820,929.66 - Step 5: Solve for x
x = 1,341,408,820,929.66/1,835,143.80 - Step 6: Final answer
x = 730,955.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.