Finding the Fourth Proportional to 1,768,269.80, 2,652,404.70 and 1,325,901.80
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Solution
The fourth proportional to 1,768,269.80, 2,652,404.70 and 1,325,901.80 is: 1,988,852.70
Step by Step Solution
- Step 1: Write the proportion equation
1,768,269.80 : 2,652,404.70 = 1,325,901.80 : x - Step 2: Convert to fraction form
1,768,269.80/2,652,404.70 = 1,325,901.80/x - Step 3: Cross multiply
1,768,269.80x = 2,652,404.70 × 1,325,901.80 - Step 4: Simplify right side
1,768,269.80x = 3,516,828,166,058.46 - Step 5: Solve for x
x = 3,516,828,166,058.46/1,768,269.80 - Step 6: Final answer
x = 1,988,852.70
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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.