Finding the Fourth Proportional to 1,837,438.99, 2,756,526.39 and 1,028,973.13
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Solution
The fourth proportional to 1,837,438.99, 2,756,526.39 and 1,028,973.13 is: 1,543,665.72
Step by Step Solution
- Step 1: Write the proportion equation
1,837,438.99 : 2,756,526.39 = 1,028,973.13 : x - Step 2: Convert to fraction form
1,837,438.99/2,756,526.39 = 1,028,973.13/x - Step 3: Cross multiply
1,837,438.99x = 2,756,526.39 × 1,028,973.13 - Step 4: Simplify right side
1,837,438.99x = 2,836,391,587,445.90 - Step 5: Solve for x
x = 2,836,391,587,445.90/1,837,438.99 - Step 6: Final answer
x = 1,543,665.72
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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.