Finding the Fourth Proportional to 1,879,715.24, 2,594,009.68 and 1,020,275.68
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Solution
The fourth proportional to 1,879,715.24, 2,594,009.68 and 1,020,275.68 is: 1,407,981.88
Step by Step Solution
- Step 1: Write the proportion equation
1,879,715.24 : 2,594,009.68 = 1,020,275.68 : x - Step 2: Convert to fraction form
1,879,715.24/2,594,009.68 = 1,020,275.68/x - Step 3: Cross multiply
1,879,715.24x = 2,594,009.68 × 1,020,275.68 - Step 4: Simplify right side
1,879,715.24x = 2,646,604,990,188.58 - Step 5: Solve for x
x = 2,646,604,990,188.58/1,879,715.24 - Step 6: Final answer
x = 1,407,981.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.