Finding the Fourth Proportional to 1,704,448.58, 2,355,256.44 and 1,621,419.12
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Solution
The fourth proportional to 1,704,448.58, 2,355,256.44 and 1,621,419.12 is: 2,240,523.93
Step by Step Solution
- Step 1: Write the proportion equation
1,704,448.58 : 2,355,256.44 = 1,621,419.12 : x - Step 2: Convert to fraction form
1,704,448.58/2,355,256.44 = 1,621,419.12/x - Step 3: Cross multiply
1,704,448.58x = 2,355,256.44 × 1,621,419.12 - Step 4: Simplify right side
1,704,448.58x = 3,818,857,824,319.13 - Step 5: Solve for x
x = 3,818,857,824,319.13/1,704,448.58 - Step 6: Final answer
x = 2,240,523.93
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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.