Finding the Fourth Proportional to 1,580,458.43, 2,181,038.00 and 855,305.93
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Solution
The fourth proportional to 1,580,458.43, 2,181,038.00 and 855,305.93 is: 1,180,325.09
Step by Step Solution
- Step 1: Write the proportion equation
1,580,458.43 : 2,181,038.00 = 855,305.93 : x - Step 2: Convert to fraction form
1,580,458.43/2,181,038.00 = 855,305.93/x - Step 3: Cross multiply
1,580,458.43x = 2,181,038.00 × 855,305.93 - Step 4: Simplify right side
1,580,458.43x = 1,865,454,736,131.41 - Step 5: Solve for x
x = 1,865,454,736,131.41/1,580,458.43 - Step 6: Final answer
x = 1,180,325.09
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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.