Finding the Fourth Proportional to 1,447,709.87, 1,997,841.95 and 803,130.05
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Solution
The fourth proportional to 1,447,709.87, 1,997,841.95 and 803,130.05 is: 1,108,320.76
Step by Step Solution
- Step 1: Write the proportion equation
1,447,709.87 : 1,997,841.95 = 803,130.05 : x - Step 2: Convert to fraction form
1,447,709.87/1,997,841.95 = 803,130.05/x - Step 3: Cross multiply
1,447,709.87x = 1,997,841.95 × 803,130.05 - Step 4: Simplify right side
1,447,709.87x = 1,604,526,905,195.60 - Step 5: Solve for x
x = 1,604,526,905,195.60/1,447,709.87 - Step 6: Final answer
x = 1,108,320.76
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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.