Finding the Fourth Proportional to 2,663,534.16, 3,995,338.14 and 866,427.06
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Solution
The fourth proportional to 2,663,534.16, 3,995,338.14 and 866,427.06 is: 1,299,652.59
Step by Step Solution
- Step 1: Write the proportion equation
2,663,534.16 : 3,995,338.14 = 866,427.06 : x - Step 2: Convert to fraction form
2,663,534.16/3,995,338.14 = 866,427.06/x - Step 3: Cross multiply
2,663,534.16x = 3,995,338.14 × 866,427.06 - Step 4: Simplify right side
2,663,534.16x = 3,461,669,078,346.07 - Step 5: Solve for x
x = 3,461,669,078,346.07/2,663,534.16 - Step 6: Final answer
x = 1,299,652.59
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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.