Finding the Fourth Proportional to 1,623,365.94, 2,435,155.84 and 425,317.62
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Solution
The fourth proportional to 1,623,365.94, 2,435,155.84 and 425,317.62 is: 638,004.45
Step by Step Solution
- Step 1: Write the proportion equation
1,623,365.94 : 2,435,155.84 = 425,317.62 : x - Step 2: Convert to fraction form
1,623,365.94/2,435,155.84 = 425,317.62/x - Step 3: Cross multiply
1,623,365.94x = 2,435,155.84 × 425,317.62 - Step 4: Simplify right side
1,623,365.94x = 1,035,714,686,197.90 - Step 5: Solve for x
x = 1,035,714,686,197.90/1,623,365.94 - Step 6: Final answer
x = 638,004.45
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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.