Finding the Fourth Proportional to 1,618,676.19, 2,426,847.89 and 1,011,681.63
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Solution
The fourth proportional to 1,618,676.19, 2,426,847.89 and 1,011,681.63 is: 1,516,793.44
Step by Step Solution
- Step 1: Write the proportion equation
1,618,676.19 : 2,426,847.89 = 1,011,681.63 : x - Step 2: Convert to fraction form
1,618,676.19/2,426,847.89 = 1,011,681.63/x - Step 3: Cross multiply
1,618,676.19x = 2,426,847.89 × 1,011,681.63 - Step 4: Simplify right side
1,618,676.19x = 2,455,197,424,058.85 - Step 5: Solve for x
x = 2,455,197,424,058.85/1,618,676.19 - Step 6: Final answer
x = 1,516,793.44
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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.