Finding the Fourth Proportional to 2,064,622.18, 2,848,030.93 and 1,918,488.66
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Solution
The fourth proportional to 2,064,622.18, 2,848,030.93 and 1,918,488.66 is: 2,646,447.90
Step by Step Solution
- Step 1: Write the proportion equation
2,064,622.18 : 2,848,030.93 = 1,918,488.66 : x - Step 2: Convert to fraction form
2,064,622.18/2,848,030.93 = 1,918,488.66/x - Step 3: Cross multiply
2,064,622.18x = 2,848,030.93 × 1,918,488.66 - Step 4: Simplify right side
2,064,622.18x = 5,463,915,042,534.25 - Step 5: Solve for x
x = 5,463,915,042,534.25/2,064,622.18 - Step 6: Final answer
x = 2,646,447.90
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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.