Finding the Fourth Proportional to 4,298,928.09, 5,929,162.65 and 2,666,420.07
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Solution
The fourth proportional to 4,298,928.09, 5,929,162.65 and 2,666,420.07 is: 3,677,576.82
Step by Step Solution
- Step 1: Write the proportion equation
4,298,928.09 : 5,929,162.65 = 2,666,420.07 : x - Step 2: Convert to fraction form
4,298,928.09/5,929,162.65 = 2,666,420.07/x - Step 3: Cross multiply
4,298,928.09x = 5,929,162.65 × 2,666,420.07 - Step 4: Simplify right side
4,298,928.09x = 15,809,638,288,254.38 - Step 5: Solve for x
x = 15,809,638,288,254.38/4,298,928.09 - Step 6: Final answer
x = 3,677,576.82
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1.5x scale
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.