Finding the Fourth Proportional to 1,702,487.85, 2,349,361.71 and 928,101.93
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Solution
The fourth proportional to 1,702,487.85, 2,349,361.71 and 928,101.93 is: 1,280,741.67
Step by Step Solution
- Step 1: Write the proportion equation
1,702,487.85 : 2,349,361.71 = 928,101.93 : x - Step 2: Convert to fraction form
1,702,487.85/2,349,361.71 = 928,101.93/x - Step 3: Cross multiply
1,702,487.85x = 2,349,361.71 × 928,101.93 - Step 4: Simplify right side
1,702,487.85x = 2,180,447,137,319.10 - Step 5: Solve for x
x = 2,180,447,137,319.10/1,702,487.85 - Step 6: Final answer
x = 1,280,741.67
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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.