Finding the Fourth Proportional to 1,645,430.71, 2,468,455.08 and 746,935.59
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Solution
The fourth proportional to 1,645,430.71, 2,468,455.08 and 746,935.59 is: 1,120,543.66
Step by Step Solution
- Step 1: Write the proportion equation
1,645,430.71 : 2,468,455.08 = 746,935.59 : x - Step 2: Convert to fraction form
1,645,430.71/2,468,455.08 = 746,935.59/x - Step 3: Cross multiply
1,645,430.71x = 2,468,455.08 × 746,935.59 - Step 4: Simplify right side
1,645,430.71x = 1,843,776,951,568.30 - Step 5: Solve for x
x = 1,843,776,951,568.30/1,645,430.71 - Step 6: Final answer
x = 1,120,543.66
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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.