Finding the Fourth Proportional to 1,637,104.80, 2,455,657.20 and 1,377,289.20
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Solution
The fourth proportional to 1,637,104.80, 2,455,657.20 and 1,377,289.20 is: 2,065,933.80
Step by Step Solution
- Step 1: Write the proportion equation
1,637,104.80 : 2,455,657.20 = 1,377,289.20 : x - Step 2: Convert to fraction form
1,637,104.80/2,455,657.20 = 1,377,289.20/x - Step 3: Cross multiply
1,637,104.80x = 2,455,657.20 × 1,377,289.20 - Step 4: Simplify right side
1,637,104.80x = 3,382,150,140,462.24 - Step 5: Solve for x
x = 3,382,150,140,462.24/1,637,104.80 - Step 6: Final answer
x = 2,065,933.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.