Finding the Fourth Proportional to 1,781,048.10, 2,457,969.36 and 1,083,601.08
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Solution
The fourth proportional to 1,781,048.10, 2,457,969.36 and 1,083,601.08 is: 1,495,444.31
Step by Step Solution
- Step 1: Write the proportion equation
1,781,048.10 : 2,457,969.36 = 1,083,601.08 : x - Step 2: Convert to fraction form
1,781,048.10/2,457,969.36 = 1,083,601.08/x - Step 3: Cross multiply
1,781,048.10x = 2,457,969.36 × 1,083,601.08 - Step 4: Simplify right side
1,781,048.10x = 2,663,458,253,102.91 - Step 5: Solve for x
x = 2,663,458,253,102.91/1,781,048.10 - Step 6: Final answer
x = 1,495,444.31
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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.