Finding the Fourth Proportional to 2,973,668.68, 4,103,682.42 and 1,615,541.32
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Solution
The fourth proportional to 2,973,668.68, 4,103,682.42 and 1,615,541.32 is: 2,229,457.69
Step by Step Solution
- Step 1: Write the proportion equation
2,973,668.68 : 4,103,682.42 = 1,615,541.32 : x - Step 2: Convert to fraction form
2,973,668.68/4,103,682.42 = 1,615,541.32/x - Step 3: Cross multiply
2,973,668.68x = 4,103,682.42 × 1,615,541.32 - Step 4: Simplify right side
2,973,668.68x = 6,629,668,513,667.60 - Step 5: Solve for x
x = 6,629,668,513,667.60/2,973,668.68 - Step 6: Final answer
x = 2,229,457.69
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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.