Finding the Fourth Proportional to 1,637,683.40, 2,457,285.99 and 626,471.10
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Solution
The fourth proportional to 1,637,683.40, 2,457,285.99 and 626,471.10 is: 939,997.72
Step by Step Solution
- Step 1: Write the proportion equation
1,637,683.40 : 2,457,285.99 = 626,471.10 : x - Step 2: Convert to fraction form
1,637,683.40/2,457,285.99 = 626,471.10/x - Step 3: Cross multiply
1,637,683.40x = 2,457,285.99 × 626,471.10 - Step 4: Simplify right side
1,637,683.40x = 1,539,418,657,169.89 - Step 5: Solve for x
x = 1,539,418,657,169.89/1,637,683.40 - Step 6: Final answer
x = 939,997.72
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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.