Finding the Fourth Proportional to 1,454,394.49, 2,007,417.53 and 842,448.20
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Solution
The fourth proportional to 1,454,394.49, 2,007,417.53 and 842,448.20 is: 1,162,783.06
Step by Step Solution
- Step 1: Write the proportion equation
1,454,394.49 : 2,007,417.53 = 842,448.20 : x - Step 2: Convert to fraction form
1,454,394.49/2,007,417.53 = 842,448.20/x - Step 3: Cross multiply
1,454,394.49x = 2,007,417.53 × 842,448.20 - Step 4: Simplify right side
1,454,394.49x = 1,691,145,276,865.98 - Step 5: Solve for x
x = 1,691,145,276,865.98/1,454,394.49 - Step 6: Final answer
x = 1,162,783.06
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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.