Finding the Fourth Proportional to 2,918,392.18, 4,027,449.27 and 1,830,709.66
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Solution
The fourth proportional to 2,918,392.18, 4,027,449.27 and 1,830,709.66 is: 2,526,422.03
Step by Step Solution
- Step 1: Write the proportion equation
2,918,392.18 : 4,027,449.27 = 1,830,709.66 : x - Step 2: Convert to fraction form
2,918,392.18/4,027,449.27 = 1,830,709.66/x - Step 3: Cross multiply
2,918,392.18x = 4,027,449.27 × 1,830,709.66 - Step 4: Simplify right side
2,918,392.18x = 7,373,090,283,748.95 - Step 5: Solve for x
x = 7,373,090,283,748.95/2,918,392.18 - Step 6: Final answer
x = 2,526,422.03
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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.