Finding the Fourth Proportional to 4,612,723.16, 6,919,746.34 and 1,418,117.60
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Solution
The fourth proportional to 4,612,723.16, 6,919,746.34 and 1,418,117.60 is: 2,127,379.80
Step by Step Solution
- Step 1: Write the proportion equation
4,612,723.16 : 6,919,746.34 = 1,418,117.60 : x - Step 2: Convert to fraction form
4,612,723.16/6,919,746.34 = 1,418,117.60/x - Step 3: Cross multiply
4,612,723.16x = 6,919,746.34 × 1,418,117.60 - Step 4: Simplify right side
4,612,723.16x = 9,813,014,072,289.58 - Step 5: Solve for x
x = 9,813,014,072,289.58/4,612,723.16 - Step 6: Final answer
x = 2,127,379.80
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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.