Finding the Fourth Proportional to 1,790,139.42, 2,470,444.74 and 974,395.74
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Solution
The fourth proportional to 1,790,139.42, 2,470,444.74 and 974,395.74 is: 1,344,694.61
Step by Step Solution
- Step 1: Write the proportion equation
1,790,139.42 : 2,470,444.74 = 974,395.74 : x - Step 2: Convert to fraction form
1,790,139.42/2,470,444.74 = 974,395.74/x - Step 3: Cross multiply
1,790,139.42x = 2,470,444.74 × 974,395.74 - Step 4: Simplify right side
1,790,139.42x = 2,407,190,830,561.41 - Step 5: Solve for x
x = 2,407,190,830,561.41/1,790,139.42 - Step 6: Final answer
x = 1,344,694.61
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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.