Finding the Fourth Proportional to 2,266,809.84, 3,128,328.60 and 1,299,932.40
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Solution
The fourth proportional to 2,266,809.84, 3,128,328.60 and 1,299,932.40 is: 1,793,981.85
Step by Step Solution
- Step 1: Write the proportion equation
2,266,809.84 : 3,128,328.60 = 1,299,932.40 : x - Step 2: Convert to fraction form
2,266,809.84/3,128,328.60 = 1,299,932.40/x - Step 3: Cross multiply
2,266,809.84x = 3,128,328.60 × 1,299,932.40 - Step 4: Simplify right side
2,266,809.84x = 4,066,615,704,986.64 - Step 5: Solve for x
x = 4,066,615,704,986.64/2,266,809.84 - Step 6: Final answer
x = 1,793,981.85
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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.