Finding the Fourth Proportional to 1,683,673.20, 2,323,381.80 and 919,579.08
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Solution
The fourth proportional to 1,683,673.20, 2,323,381.80 and 919,579.08 is: 1,268,971.50
Step by Step Solution
- Step 1: Write the proportion equation
1,683,673.20 : 2,323,381.80 = 919,579.08 : x - Step 2: Convert to fraction form
1,683,673.20/2,323,381.80 = 919,579.08/x - Step 3: Cross multiply
1,683,673.20x = 2,323,381.80 × 919,579.08 - Step 4: Simplify right side
1,683,673.20x = 2,136,533,298,132.74 - Step 5: Solve for x
x = 2,136,533,298,132.74/1,683,673.20 - Step 6: Final answer
x = 1,268,971.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.