Finding the Fourth Proportional to 1,792,979.51, 2,474,239.70 and 977,165.69
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Solution
The fourth proportional to 1,792,979.51, 2,474,239.70 and 977,165.69 is: 1,348,449.39
Step by Step Solution
- Step 1: Write the proportion equation
1,792,979.51 : 2,474,239.70 = 977,165.69 : x - Step 2: Convert to fraction form
1,792,979.51/2,474,239.70 = 977,165.69/x - Step 3: Cross multiply
1,792,979.51x = 2,474,239.70 × 977,165.69 - Step 4: Simplify right side
1,792,979.51x = 2,417,742,126,418.87 - Step 5: Solve for x
x = 2,417,742,126,418.87/1,792,979.51 - Step 6: Final answer
x = 1,348,449.39
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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.