Finding the Fourth Proportional to 2,130,615.19, 3,197,196.16 and 782,914.06
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Solution
The fourth proportional to 2,130,615.19, 3,197,196.16 and 782,914.06 is: 1,174,839.00
Step by Step Solution
- Step 1: Write the proportion equation
2,130,615.19 : 3,197,196.16 = 782,914.06 : x - Step 2: Convert to fraction form
2,130,615.19/3,197,196.16 = 782,914.06/x - Step 3: Cross multiply
2,130,615.19x = 3,197,196.16 × 782,914.06 - Step 4: Simplify right side
2,130,615.19x = 2,503,129,810,296.99 - Step 5: Solve for x
x = 2,503,129,810,296.99/2,130,615.19 - Step 6: Final answer
x = 1,174,839.00
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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.