Finding the Fourth Proportional to 4,938,141.68, 6,814,900.26 and 2,762,555.09
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Solution
The fourth proportional to 4,938,141.68, 6,814,900.26 and 2,762,555.09 is: 3,812,474.13
Step by Step Solution
- Step 1: Write the proportion equation
4,938,141.68 : 6,814,900.26 = 2,762,555.09 : x - Step 2: Convert to fraction form
4,938,141.68/6,814,900.26 = 2,762,555.09/x - Step 3: Cross multiply
4,938,141.68x = 6,814,900.26 × 2,762,555.09 - Step 4: Simplify right side
4,938,141.68x = 18,826,537,401,105.32 - Step 5: Solve for x
x = 18,826,537,401,105.32/4,938,141.68 - Step 6: Final answer
x = 3,812,474.13
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1.5x scale
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.