Finding the Fourth Proportional to 7,185,909.84, 9,919,788.84 and 4,739,969.04
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Solution
The fourth proportional to 7,185,909.84, 9,919,788.84 and 4,739,969.04 is: 6,543,290.00
Step by Step Solution
- Step 1: Write the proportion equation
7,185,909.84 : 9,919,788.84 = 4,739,969.04 : x - Step 2: Convert to fraction form
7,185,909.84/9,919,788.84 = 4,739,969.04/x - Step 3: Cross multiply
7,185,909.84x = 9,919,788.84 × 4,739,969.04 - Step 4: Simplify right side
7,185,909.84x = 47,019,491,984,937.52 - Step 5: Solve for x
x = 47,019,491,984,937.52/7,185,909.84 - Step 6: Final answer
x = 6,543,290.00
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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.