Finding the Fourth Proportional to 1,580,435.06, 2,370,658.74 and 382,355.45
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Solution
The fourth proportional to 1,580,435.06, 2,370,658.74 and 382,355.45 is: 573,534.66
Step by Step Solution
- Step 1: Write the proportion equation
1,580,435.06 : 2,370,658.74 = 382,355.45 : x - Step 2: Convert to fraction form
1,580,435.06/2,370,658.74 = 382,355.45/x - Step 3: Cross multiply
1,580,435.06x = 2,370,658.74 × 382,355.45 - Step 4: Simplify right side
1,580,435.06x = 906,434,289,329.13 - Step 5: Solve for x
x = 906,434,289,329.13/1,580,435.06 - Step 6: Final answer
x = 573,534.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.