Finding the Fourth Proportional to 3,604,326.76, 4,973,768.34 and 1,972,730.68
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Solution
The fourth proportional to 3,604,326.76, 4,973,768.34 and 1,972,730.68 is: 2,722,257.46
Step by Step Solution
- Step 1: Write the proportion equation
3,604,326.76 : 4,973,768.34 = 1,972,730.68 : x - Step 2: Convert to fraction form
3,604,326.76/4,973,768.34 = 1,972,730.68/x - Step 3: Cross multiply
3,604,326.76x = 4,973,768.34 × 1,972,730.68 - Step 4: Simplify right side
3,604,326.76x = 9,811,905,399,530.67 - Step 5: Solve for x
x = 9,811,905,399,530.67/3,604,326.76 - Step 6: Final answer
x = 2,722,257.46
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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.