Finding the Fourth Proportional to 4,301,774.76, 6,453,634.25 and 1,423,134.80
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Solution
The fourth proportional to 4,301,774.76, 6,453,634.25 and 1,423,134.80 is: 2,135,023.79
Step by Step Solution
- Step 1: Write the proportion equation
4,301,774.76 : 6,453,634.25 = 1,423,134.80 : x - Step 2: Convert to fraction form
4,301,774.76/6,453,634.25 = 1,423,134.80/x - Step 3: Cross multiply
4,301,774.76x = 6,453,634.25 × 1,423,134.80 - Step 4: Simplify right side
4,301,774.76x = 9,184,391,448,263.06 - Step 5: Solve for x
x = 9,184,391,448,263.06/4,301,774.76 - Step 6: Final answer
x = 2,135,023.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.