Finding the Fourth Proportional to 3,422,726.08, 4,723,174.69 and 1,873,688.15
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Solution
The fourth proportional to 3,422,726.08, 4,723,174.69 and 1,873,688.15 is: 2,585,587.11
Step by Step Solution
- Step 1: Write the proportion equation
3,422,726.08 : 4,723,174.69 = 1,873,688.15 : x - Step 2: Convert to fraction form
3,422,726.08/4,723,174.69 = 1,873,688.15/x - Step 3: Cross multiply
3,422,726.08x = 4,723,174.69 × 1,873,688.15 - Step 4: Simplify right side
3,422,726.08x = 8,849,756,437,664.48 - Step 5: Solve for x
x = 8,849,756,437,664.48/3,422,726.08 - Step 6: Final answer
x = 2,585,587.11
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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.