Finding the Fourth Proportional to 4,938,142.69, 6,814,901.64 and 2,762,556.09
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Solution
The fourth proportional to 4,938,142.69, 6,814,901.64 and 2,762,556.09 is: 3,812,475.51
Step by Step Solution
- Step 1: Write the proportion equation
4,938,142.69 : 6,814,901.64 = 2,762,556.09 : x - Step 2: Convert to fraction form
4,938,142.69/6,814,901.64 = 2,762,556.09/x - Step 3: Cross multiply
4,938,142.69x = 6,814,901.64 × 2,762,556.09 - Step 4: Simplify right side
4,938,142.69x = 18,826,548,028,332.98 - Step 5: Solve for x
x = 18,826,548,028,332.98/4,938,142.69 - Step 6: Final answer
x = 3,812,475.51
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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.