Finding the Fourth Proportional to 1,584,403.65, 2,377,305.32 and 639,619.65
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Solution
The fourth proportional to 1,584,403.65, 2,377,305.32 and 639,619.65 is: 959,712.00
Step by Step Solution
- Step 1: Write the proportion equation
1,584,403.65 : 2,377,305.32 = 639,619.65 : x - Step 2: Convert to fraction form
1,584,403.65/2,377,305.32 = 639,619.65/x - Step 3: Cross multiply
1,584,403.65x = 2,377,305.32 × 639,619.65 - Step 4: Simplify right side
1,584,403.65x = 1,520,571,193,523.44 - Step 5: Solve for x
x = 1,520,571,193,523.44/1,584,403.65 - Step 6: Final answer
x = 959,712.00
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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.