Finding the Fourth Proportional to 7,020,303.12, 10,530,454.80 and 1,701,519.12
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Solution
The fourth proportional to 7,020,303.12, 10,530,454.80 and 1,701,519.12 is: 2,552,278.71
Step by Step Solution
- Step 1: Write the proportion equation
7,020,303.12 : 10,530,454.80 = 1,701,519.12 : x - Step 2: Convert to fraction form
7,020,303.12/10,530,454.80 = 1,701,519.12/x - Step 3: Cross multiply
7,020,303.12x = 10,530,454.80 × 1,701,519.12 - Step 4: Simplify right side
7,020,303.12x = 17,917,770,184,495.78 - Step 5: Solve for x
x = 17,917,770,184,495.78/7,020,303.12 - Step 6: Final answer
x = 2,552,278.71
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1.5x scale
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.