Finding the Fourth Proportional to 1,709,107.36, 2,357,855.76 and 983,781.52
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Solution
The fourth proportional to 1,709,107.36, 2,357,855.76 and 983,781.52 is: 1,357,208.43
Step by Step Solution
- Step 1: Write the proportion equation
1,709,107.36 : 2,357,855.76 = 983,781.52 : x - Step 2: Convert to fraction form
1,709,107.36/2,357,855.76 = 983,781.52/x - Step 3: Cross multiply
1,709,107.36x = 2,357,855.76 × 983,781.52 - Step 4: Simplify right side
1,709,107.36x = 2,319,614,923,513.56 - Step 5: Solve for x
x = 2,319,614,923,513.56/1,709,107.36 - Step 6: Final answer
x = 1,357,208.43
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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.