Finding the Fourth Proportional to 4,230,987.51, 6,346,358.71 and 1,198,347.51
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Solution
The fourth proportional to 4,230,987.51, 6,346,358.71 and 1,198,347.51 is: 1,797,486.56
Step by Step Solution
- Step 1: Write the proportion equation
4,230,987.51 : 6,346,358.71 = 1,198,347.51 : x - Step 2: Convert to fraction form
4,230,987.51/6,346,358.71 = 1,198,347.51/x - Step 3: Cross multiply
4,230,987.51x = 6,346,358.71 × 1,198,347.51 - Step 4: Simplify right side
4,230,987.51x = 7,605,143,178,498.29 - Step 5: Solve for x
x = 7,605,143,178,498.29/4,230,987.51 - Step 6: Final answer
x = 1,797,486.56
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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.