Finding the Fourth Proportional to 1,535,405.51, 2,118,847.74 and 847,106.37
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Solution
The fourth proportional to 1,535,405.51, 2,118,847.74 and 847,106.37 is: 1,169,000.25
Step by Step Solution
- Step 1: Write the proportion equation
1,535,405.51 : 2,118,847.74 = 847,106.37 : x - Step 2: Convert to fraction form
1,535,405.51/2,118,847.74 = 847,106.37/x - Step 3: Cross multiply
1,535,405.51x = 2,118,847.74 × 847,106.37 - Step 4: Simplify right side
1,535,405.51x = 1,794,889,417,614.10 - Step 5: Solve for x
x = 1,794,889,417,614.10/1,535,405.51 - Step 6: Final answer
x = 1,169,000.25
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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.