Finding the Fourth Proportional to 4,459,493.14, 6,690,236.50 and 1,427,041.08
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Solution
The fourth proportional to 4,459,493.14, 6,690,236.50 and 1,427,041.08 is: 2,140,880.59
Step by Step Solution
- Step 1: Write the proportion equation
4,459,493.14 : 6,690,236.50 = 1,427,041.08 : x - Step 2: Convert to fraction form
4,459,493.14/6,690,236.50 = 1,427,041.08/x - Step 3: Cross multiply
4,459,493.14x = 6,690,236.50 × 1,427,041.08 - Step 4: Simplify right side
4,459,493.14x = 9,547,242,320,415.42 - Step 5: Solve for x
x = 9,547,242,320,415.42/4,459,493.14 - Step 6: Final answer
x = 2,140,880.59
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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.