Finding the Fourth Proportional to 1,751,720.93, 2,417,371.54 and 977,305.70
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Solution
The fourth proportional to 1,751,720.93, 2,417,371.54 and 977,305.70 is: 1,348,679.99
Step by Step Solution
- Step 1: Write the proportion equation
1,751,720.93 : 2,417,371.54 = 977,305.70 : x - Step 2: Convert to fraction form
1,751,720.93/2,417,371.54 = 977,305.70/x - Step 3: Cross multiply
1,751,720.93x = 2,417,371.54 × 977,305.70 - Step 4: Simplify right side
1,751,720.93x = 2,362,510,972,675.24 - Step 5: Solve for x
x = 2,362,510,972,675.24/1,751,720.93 - Step 6: Final answer
x = 1,348,679.99
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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.