Finding the Fourth Proportional to 1,618,629.68, 2,429,169.78 and 909,254.36
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Solution
The fourth proportional to 1,618,629.68, 2,429,169.78 and 909,254.36 is: 1,364,569.82
Step by Step Solution
- Step 1: Write the proportion equation
1,618,629.68 : 2,429,169.78 = 909,254.36 : x - Step 2: Convert to fraction form
1,618,629.68/2,429,169.78 = 909,254.36/x - Step 3: Cross multiply
1,618,629.68x = 2,429,169.78 × 909,254.36 - Step 4: Simplify right side
1,618,629.68x = 2,208,733,213,645.24 - Step 5: Solve for x
x = 2,208,733,213,645.24/1,618,629.68 - Step 6: Final answer
x = 1,364,569.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.