Finding the Fourth Proportional to 7,720,309.56, 11,580,547.50 and 2,329,006.70
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Solution
The fourth proportional to 7,720,309.56, 11,580,547.50 and 2,329,006.70 is: 3,493,535.14
Step by Step Solution
- Step 1: Write the proportion equation
7,720,309.56 : 11,580,547.50 = 2,329,006.70 : x - Step 2: Convert to fraction form
7,720,309.56/11,580,547.50 = 2,329,006.70/x - Step 3: Cross multiply
7,720,309.56x = 11,580,547.50 × 2,329,006.70 - Step 4: Simplify right side
7,720,309.56x = 26,971,172,717,168.25 - Step 5: Solve for x
x = 26,971,172,717,168.25/7,720,309.56 - Step 6: Final answer
x = 3,493,535.14
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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.