Finding the Fourth Proportional to 1,497,800.80, 2,246,701.20 and 1,124,552.80
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Solution
The fourth proportional to 1,497,800.80, 2,246,701.20 and 1,124,552.80 is: 1,686,829.20
Step by Step Solution
- Step 1: Write the proportion equation
1,497,800.80 : 2,246,701.20 = 1,124,552.80 : x - Step 2: Convert to fraction form
1,497,800.80/2,246,701.20 = 1,124,552.80/x - Step 3: Cross multiply
1,497,800.80x = 2,246,701.20 × 1,124,552.80 - Step 4: Simplify right side
1,497,800.80x = 2,526,534,125,223.36 - Step 5: Solve for x
x = 2,526,534,125,223.36/1,497,800.80 - Step 6: Final answer
x = 1,686,829.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.