Finding the Fourth Proportional to 2,775,209.44, 3,830,969.76 and 1,687,830.08
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Solution
The fourth proportional to 2,775,209.44, 3,830,969.76 and 1,687,830.08 is: 2,329,923.61
Step by Step Solution
- Step 1: Write the proportion equation
2,775,209.44 : 3,830,969.76 = 1,687,830.08 : x - Step 2: Convert to fraction form
2,775,209.44/3,830,969.76 = 1,687,830.08/x - Step 3: Cross multiply
2,775,209.44x = 3,830,969.76 × 1,687,830.08 - Step 4: Simplify right side
2,775,209.44x = 6,466,025,996,498.38 - Step 5: Solve for x
x = 6,466,025,996,498.38/2,775,209.44 - Step 6: Final answer
x = 2,329,923.61
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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.