Finding the Fourth Proportional to 4,314,919.60, 6,459,937.80 and 2,635,303.60
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Solution
The fourth proportional to 4,314,919.60, 6,459,937.80 and 2,635,303.60 is: 3,945,356.79
Step by Step Solution
- Step 1: Write the proportion equation
4,314,919.60 : 6,459,937.80 = 2,635,303.60 : x - Step 2: Convert to fraction form
4,314,919.60/6,459,937.80 = 2,635,303.60/x - Step 3: Cross multiply
4,314,919.60x = 6,459,937.80 × 2,635,303.60 - Step 4: Simplify right side
4,314,919.60x = 17,023,897,340,116.08 - Step 5: Solve for x
x = 17,023,897,340,116.08/4,314,919.60 - Step 6: Final answer
x = 3,945,356.79
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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.