Finding the Fourth Proportional to 1,605,114.10, 2,408,460.09 and 645,531.40
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Solution
The fourth proportional to 1,605,114.10, 2,408,460.09 and 645,531.40 is: 968,614.39
Step by Step Solution
- Step 1: Write the proportion equation
1,605,114.10 : 2,408,460.09 = 645,531.40 : x - Step 2: Convert to fraction form
1,605,114.10/2,408,460.09 = 645,531.40/x - Step 3: Cross multiply
1,605,114.10x = 2,408,460.09 × 645,531.40 - Step 4: Simplify right side
1,605,114.10x = 1,554,736,613,741.83 - Step 5: Solve for x
x = 1,554,736,613,741.83/1,605,114.10 - Step 6: Final answer
x = 968,614.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.