Finding the Fourth Proportional to 7,721,298.05, 11,582,029.08 and 2,329,995.89
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Solution
The fourth proportional to 7,721,298.05, 11,582,029.08 and 2,329,995.89 is: 3,495,018.59
Step by Step Solution
- Step 1: Write the proportion equation
7,721,298.05 : 11,582,029.08 = 2,329,995.89 : x - Step 2: Convert to fraction form
7,721,298.05/11,582,029.08 = 2,329,995.89/x - Step 3: Cross multiply
7,721,298.05x = 11,582,029.08 × 2,329,995.89 - Step 4: Simplify right side
7,721,298.05x = 26,986,080,183,215.55 - Step 5: Solve for x
x = 26,986,080,183,215.55/7,721,298.05 - Step 6: Final answer
x = 3,495,018.59
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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.