Finding the Fourth Proportional to 5,205,319.68, 7,183,339.56 and 2,913,479.76
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Solution
The fourth proportional to 5,205,319.68, 7,183,339.56 and 2,913,479.76 is: 4,020,601.17
Step by Step Solution
- Step 1: Write the proportion equation
5,205,319.68 : 7,183,339.56 = 2,913,479.76 : x - Step 2: Convert to fraction form
5,205,319.68/7,183,339.56 = 2,913,479.76/x - Step 3: Cross multiply
5,205,319.68x = 7,183,339.56 × 2,913,479.76 - Step 4: Simplify right side
5,205,319.68x = 20,928,514,417,267.30 - Step 5: Solve for x
x = 20,928,514,417,267.30/5,205,319.68 - Step 6: Final answer
x = 4,020,601.17
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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.