Finding the Fourth Proportional to 1,782,291.46, 2,459,717.76 and 977,630.98
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Solution
The fourth proportional to 1,782,291.46, 2,459,717.76 and 977,630.98 is: 1,349,216.07
Step by Step Solution
- Step 1: Write the proportion equation
1,782,291.46 : 2,459,717.76 = 977,630.98 : x - Step 2: Convert to fraction form
1,782,291.46/2,459,717.76 = 977,630.98/x - Step 3: Cross multiply
1,782,291.46x = 2,459,717.76 × 977,630.98 - Step 4: Simplify right side
1,782,291.46x = 2,404,696,284,232.20 - Step 5: Solve for x
x = 2,404,696,284,232.20/1,782,291.46 - Step 6: Final answer
x = 1,349,216.07
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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.