Finding the Fourth Proportional to 2,050,421.61, 2,829,526.97 and 1,132,631.03
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Solution
The fourth proportional to 2,050,421.61, 2,829,526.97 and 1,132,631.03 is: 1,563,000.52
Step by Step Solution
- Step 1: Write the proportion equation
2,050,421.61 : 2,829,526.97 = 1,132,631.03 : x - Step 2: Convert to fraction form
2,050,421.61/2,829,526.97 = 1,132,631.03/x - Step 3: Cross multiply
2,050,421.61x = 2,829,526.97 × 1,132,631.03 - Step 4: Simplify right side
2,050,421.61x = 3,204,810,047,854.54 - Step 5: Solve for x
x = 3,204,810,047,854.54/2,050,421.61 - Step 6: Final answer
x = 1,563,000.52
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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.