Finding the Fourth Proportional to 4,185,357.18, 5,775,345.51 and 2,350,017.18
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Solution
The fourth proportional to 4,185,357.18, 5,775,345.51 and 2,350,017.18 is: 3,242,772.50
Step by Step Solution
- Step 1: Write the proportion equation
4,185,357.18 : 5,775,345.51 = 2,350,017.18 : x - Step 2: Convert to fraction form
4,185,357.18/5,775,345.51 = 2,350,017.18/x - Step 3: Cross multiply
4,185,357.18x = 5,775,345.51 × 2,350,017.18 - Step 4: Simplify right side
4,185,357.18x = 13,572,161,168,935.86 - Step 5: Solve for x
x = 13,572,161,168,935.86/4,185,357.18 - Step 6: Final answer
x = 3,242,772.50
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1.5x scale
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.