Finding the Fourth Proportional to 1,790,345.19, 2,470,707.86 and 974,572.32
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Solution
The fourth proportional to 1,790,345.19, 2,470,707.86 and 974,572.32 is: 1,344,926.94
Step by Step Solution
- Step 1: Write the proportion equation
1,790,345.19 : 2,470,707.86 = 974,572.32 : x - Step 2: Convert to fraction form
1,790,345.19/2,470,707.86 = 974,572.32/x - Step 3: Cross multiply
1,790,345.19x = 2,470,707.86 × 974,572.32 - Step 4: Simplify right side
1,790,345.19x = 2,407,883,486,289.57 - Step 5: Solve for x
x = 2,407,883,486,289.57/1,790,345.19 - Step 6: Final answer
x = 1,344,926.94
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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.