Finding the Fourth Proportional to 5,225,867.15, 7,838,879.49 and 1,814,262.08
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Solution
The fourth proportional to 5,225,867.15, 7,838,879.49 and 1,814,262.08 is: 2,721,420.46
Step by Step Solution
- Step 1: Write the proportion equation
5,225,867.15 : 7,838,879.49 = 1,814,262.08 : x - Step 2: Convert to fraction form
5,225,867.15/7,838,879.49 = 1,814,262.08/x - Step 3: Cross multiply
5,225,867.15x = 7,838,879.49 × 1,814,262.08 - Step 4: Simplify right side
5,225,867.15x = 14,221,781,769,202.34 - Step 5: Solve for x
x = 14,221,781,769,202.34/5,225,867.15 - Step 6: Final answer
x = 2,721,420.46
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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.