Finding the Fourth Proportional to 6,438,466.11, 8,885,054.12 and 3,537,848.55
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Solution
The fourth proportional to 6,438,466.11, 8,885,054.12 and 3,537,848.55 is: 4,882,215.00
Step by Step Solution
- Step 1: Write the proportion equation
6,438,466.11 : 8,885,054.12 = 3,537,848.55 : x - Step 2: Convert to fraction form
6,438,466.11/8,885,054.12 = 3,537,848.55/x - Step 3: Cross multiply
6,438,466.11x = 8,885,054.12 × 3,537,848.55 - Step 4: Simplify right side
6,438,466.11x = 31,433,975,817,424.28 - Step 5: Solve for x
x = 31,433,975,817,424.28/6,438,466.11 - Step 6: Final answer
x = 4,882,215.00
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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.