Finding the Fourth Proportional to 1,719,169.99, 2,579,158.36 and 1,690,607.77
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Solution
The fourth proportional to 1,719,169.99, 2,579,158.36 and 1,690,607.77 is: 2,536,308.33
Step by Step Solution
- Step 1: Write the proportion equation
1,719,169.99 : 2,579,158.36 = 1,690,607.77 : x - Step 2: Convert to fraction form
1,719,169.99/2,579,158.36 = 1,690,607.77/x - Step 3: Cross multiply
1,719,169.99x = 2,579,158.36 × 1,690,607.77 - Step 4: Simplify right side
1,719,169.99x = 4,360,345,163,476.46 - Step 5: Solve for x
x = 4,360,345,163,476.46/1,719,169.99 - Step 6: Final answer
x = 2,536,308.33
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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.