Finding the Fourth Proportional to 3,038,743.79, 4,194,757.64 and 1,893,390.02
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Solution
The fourth proportional to 3,038,743.79, 4,194,757.64 and 1,893,390.02 is: 2,613,682.76
Step by Step Solution
- Step 1: Write the proportion equation
3,038,743.79 : 4,194,757.64 = 1,893,390.02 : x - Step 2: Convert to fraction form
3,038,743.79/4,194,757.64 = 1,893,390.02/x - Step 3: Cross multiply
3,038,743.79x = 4,194,757.64 × 1,893,390.02 - Step 4: Simplify right side
3,038,743.79x = 7,942,312,242,427.80 - Step 5: Solve for x
x = 7,942,312,242,427.80/3,038,743.79 - Step 6: Final answer
x = 2,613,682.76
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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.