Finding the Fourth Proportional to 1,637,685.91, 2,457,289.74 and 626,473.60
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Solution
The fourth proportional to 1,637,685.91, 2,457,289.74 and 626,473.60 is: 940,001.46
Step by Step Solution
- Step 1: Write the proportion equation
1,637,685.91 : 2,457,289.74 = 626,473.60 : x - Step 2: Convert to fraction form
1,637,685.91/2,457,289.74 = 626,473.60/x - Step 3: Cross multiply
1,637,685.91x = 2,457,289.74 × 626,473.60 - Step 4: Simplify right side
1,637,685.91x = 1,539,427,149,660.86 - Step 5: Solve for x
x = 1,539,427,149,660.86/1,637,685.91 - Step 6: Final answer
x = 940,001.46
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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.