Finding the Fourth Proportional to 1,714,038.40, 2,365,396.80 and 939,742.08
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Solution
The fourth proportional to 1,714,038.40, 2,365,396.80 and 939,742.08 is: 1,296,857.12
Step by Step Solution
- Step 1: Write the proportion equation
1,714,038.40 : 2,365,396.80 = 939,742.08 : x - Step 2: Convert to fraction form
1,714,038.40/2,365,396.80 = 939,742.08/x - Step 3: Cross multiply
1,714,038.40x = 2,365,396.80 × 939,742.08 - Step 4: Simplify right side
1,714,038.40x = 2,222,862,908,857.34 - Step 5: Solve for x
x = 2,222,862,908,857.34/1,714,038.40 - Step 6: Final answer
x = 1,296,857.12
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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.