Finding the Fourth Proportional to 1,787,320.89, 2,464,133.00 and 1,480,266.09
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Solution
The fourth proportional to 1,787,320.89, 2,464,133.00 and 1,480,266.09 is: 2,040,804.50
Step by Step Solution
- Step 1: Write the proportion equation
1,787,320.89 : 2,464,133.00 = 1,480,266.09 : x - Step 2: Convert to fraction form
1,787,320.89/2,464,133.00 = 1,480,266.09/x - Step 3: Cross multiply
1,787,320.89x = 2,464,133.00 × 1,480,266.09 - Step 4: Simplify right side
1,787,320.89x = 3,647,572,513,748.64 - Step 5: Solve for x
x = 3,647,572,513,748.64/1,787,320.89 - Step 6: Final answer
x = 2,040,804.50
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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.