Finding the Fourth Proportional to 4,712,984.97, 7,062,887.49 and 2,549,339.31
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Solution
The fourth proportional to 4,712,984.97, 7,062,887.49 and 2,549,339.31 is: 3,820,444.33
Step by Step Solution
- Step 1: Write the proportion equation
4,712,984.97 : 7,062,887.49 = 2,549,339.31 : x - Step 2: Convert to fraction form
4,712,984.97/7,062,887.49 = 2,549,339.31/x - Step 3: Cross multiply
4,712,984.97x = 7,062,887.49 × 2,549,339.31 - Step 4: Simplify right side
4,712,984.97x = 18,005,696,720,364.23 - Step 5: Solve for x
x = 18,005,696,720,364.23/4,712,984.97 - Step 6: Final answer
x = 3,820,444.33
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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.