Finding the Fourth Proportional to 2,031,625.21, 2,803,674.45 and 1,113,938.14
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Solution
The fourth proportional to 2,031,625.21, 2,803,674.45 and 1,113,938.14 is: 1,537,251.99
Step by Step Solution
- Step 1: Write the proportion equation
2,031,625.21 : 2,803,674.45 = 1,113,938.14 : x - Step 2: Convert to fraction form
2,031,625.21/2,803,674.45 = 1,113,938.14/x - Step 3: Cross multiply
2,031,625.21x = 2,803,674.45 × 1,113,938.14 - Step 4: Simplify right side
2,031,625.21x = 3,123,119,901,998.52 - Step 5: Solve for x
x = 3,123,119,901,998.52/2,031,625.21 - Step 6: Final answer
x = 1,537,251.99
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1.5x scale
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.