Finding the Fourth Proportional to 2,031,804.99, 2,804,016.84 and 1,126,386.99
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Solution
The fourth proportional to 2,031,804.99, 2,804,016.84 and 1,126,386.99 is: 1,554,483.87
Step by Step Solution
- Step 1: Write the proportion equation
2,031,804.99 : 2,804,016.84 = 1,126,386.99 : x - Step 2: Convert to fraction form
2,031,804.99/2,804,016.84 = 1,126,386.99/x - Step 3: Cross multiply
2,031,804.99x = 2,804,016.84 × 1,126,386.99 - Step 4: Simplify right side
2,031,804.99x = 3,158,408,088,316.91 - Step 5: Solve for x
x = 3,158,408,088,316.91/2,031,804.99 - Step 6: Final answer
x = 1,554,483.87
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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.