Finding the Fourth Proportional to 4,920,848.19, 7,381,272.30 and 4,402,693.20
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Solution
The fourth proportional to 4,920,848.19, 7,381,272.30 and 4,402,693.20 is: 6,604,039.81
Step by Step Solution
- Step 1: Write the proportion equation
4,920,848.19 : 7,381,272.30 = 4,402,693.20 : x - Step 2: Convert to fraction form
4,920,848.19/7,381,272.30 = 4,402,693.20/x - Step 3: Cross multiply
4,920,848.19x = 7,381,272.30 × 4,402,693.20 - Step 4: Simplify right side
4,920,848.19x = 32,497,477,362,558.36 - Step 5: Solve for x
x = 32,497,477,362,558.36/4,920,848.19 - Step 6: Final answer
x = 6,604,039.81
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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.