Finding the Fourth Proportional to 5,714,289.87, 7,885,816.20 and 3,136,210.53
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Solution
The fourth proportional to 5,714,289.87, 7,885,816.20 and 3,136,210.53 is: 4,328,023.32
Step by Step Solution
- Step 1: Write the proportion equation
5,714,289.87 : 7,885,816.20 = 3,136,210.53 : x - Step 2: Convert to fraction form
5,714,289.87/7,885,816.20 = 3,136,210.53/x - Step 3: Cross multiply
5,714,289.87x = 7,885,816.20 × 3,136,210.53 - Step 4: Simplify right side
5,714,289.87x = 24,731,579,804,084.59 - Step 5: Solve for x
x = 24,731,579,804,084.59/5,714,289.87 - Step 6: Final answer
x = 4,328,023.32
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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.