Finding the Fourth Proportional to 2,925,637.39, 4,388,652.92 and 1,128,535.75
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Solution
The fourth proportional to 2,925,637.39, 4,388,652.92 and 1,128,535.75 is: 1,692,879.55
Step by Step Solution
- Step 1: Write the proportion equation
2,925,637.39 : 4,388,652.92 = 1,128,535.75 : x - Step 2: Convert to fraction form
2,925,637.39/4,388,652.92 = 1,128,535.75/x - Step 3: Cross multiply
2,925,637.39x = 4,388,652.92 × 1,128,535.75 - Step 4: Simplify right side
2,925,637.39x = 4,952,751,714,561.89 - Step 5: Solve for x
x = 4,952,751,714,561.89/2,925,637.39 - Step 6: Final answer
x = 1,692,879.55
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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.