Finding the Fourth Proportional to 1,653,887.70, 2,282,612.31 and 1,009,682.55
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Solution
The fourth proportional to 1,653,887.70, 2,282,612.31 and 1,009,682.55 is: 1,393,512.88
Step by Step Solution
- Step 1: Write the proportion equation
1,653,887.70 : 2,282,612.31 = 1,009,682.55 : x - Step 2: Convert to fraction form
1,653,887.70/2,282,612.31 = 1,009,682.55/x - Step 3: Cross multiply
1,653,887.70x = 2,282,612.31 × 1,009,682.55 - Step 4: Simplify right side
1,653,887.70x = 2,304,713,817,822.19 - Step 5: Solve for x
x = 2,304,713,817,822.19/1,653,887.70 - Step 6: Final answer
x = 1,393,512.88
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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.