Finding the Fourth Proportional to 1,788,395.63, 2,466,736.76 and 1,214,439.35
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Solution
The fourth proportional to 1,788,395.63, 2,466,736.76 and 1,214,439.35 is: 1,675,078.00
Step by Step Solution
- Step 1: Write the proportion equation
1,788,395.63 : 2,466,736.76 = 1,214,439.35 : x - Step 2: Convert to fraction form
1,788,395.63/2,466,736.76 = 1,214,439.35/x - Step 3: Cross multiply
1,788,395.63x = 2,466,736.76 × 1,214,439.35 - Step 4: Simplify right side
1,788,395.63x = 2,995,702,181,363.31 - Step 5: Solve for x
x = 2,995,702,181,363.31/1,788,395.63 - Step 6: Final answer
x = 1,675,078.00
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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.