Finding the Fourth Proportional to 1,913,034.24, 2,640,106.56 and 1,053,594.24
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Solution
The fourth proportional to 1,913,034.24, 2,640,106.56 and 1,053,594.24 is: 1,454,025.76
Step by Step Solution
- Step 1: Write the proportion equation
1,913,034.24 : 2,640,106.56 = 1,053,594.24 : x - Step 2: Convert to fraction form
1,913,034.24/2,640,106.56 = 1,053,594.24/x - Step 3: Cross multiply
1,913,034.24x = 2,640,106.56 × 1,053,594.24 - Step 4: Simplify right side
1,913,034.24x = 2,781,601,064,602.21 - Step 5: Solve for x
x = 2,781,601,064,602.21/1,913,034.24 - Step 6: Final answer
x = 1,454,025.76
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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.