Finding the Fourth Proportional to 1,448,102.79, 1,998,477.36 and 836,281.26
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Solution
The fourth proportional to 1,448,102.79, 1,998,477.36 and 836,281.26 is: 1,154,123.30
Step by Step Solution
- Step 1: Write the proportion equation
1,448,102.79 : 1,998,477.36 = 836,281.26 : x - Step 2: Convert to fraction form
1,448,102.79/1,998,477.36 = 836,281.26/x - Step 3: Cross multiply
1,448,102.79x = 1,998,477.36 × 836,281.26 - Step 4: Simplify right side
1,448,102.79x = 1,671,289,164,702.27 - Step 5: Solve for x
x = 1,671,289,164,702.27/1,448,102.79 - Step 6: Final answer
x = 1,154,123.30
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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.