Finding the Fourth Proportional to 2,031,587.12, 2,803,571.36 and 1,113,867.28
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Solution
The fourth proportional to 2,031,587.12, 2,803,571.36 and 1,113,867.28 is: 1,537,126.50
Step by Step Solution
- Step 1: Write the proportion equation
2,031,587.12 : 2,803,571.36 = 1,113,867.28 : x - Step 2: Convert to fraction form
2,031,587.12/2,803,571.36 = 1,113,867.28/x - Step 3: Cross multiply
2,031,587.12x = 2,803,571.36 × 1,113,867.28 - Step 4: Simplify right side
2,031,587.12x = 3,122,806,405,049.10 - Step 5: Solve for x
x = 3,122,806,405,049.10/2,031,587.12 - Step 6: Final answer
x = 1,537,126.50
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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.