Finding the Fourth Proportional to 5,447,539.66, 7,518,422.01 and 4,138,637.82
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Solution
The fourth proportional to 5,447,539.66, 7,518,422.01 and 4,138,637.82 is: 5,711,941.09
Step by Step Solution
- Step 1: Write the proportion equation
5,447,539.66 : 7,518,422.01 = 4,138,637.82 : x - Step 2: Convert to fraction form
5,447,539.66/7,518,422.01 = 4,138,637.82/x - Step 3: Cross multiply
5,447,539.66x = 7,518,422.01 × 4,138,637.82 - Step 4: Simplify right side
5,447,539.66x = 31,116,025,639,714.31 - Step 5: Solve for x
x = 31,116,025,639,714.31/5,447,539.66 - Step 6: Final answer
x = 5,711,941.09
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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.