Finding the Fourth Proportional to 1,275,772.74, 1,913,661.81 and 1,197,828.06
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Solution
The fourth proportional to 1,275,772.74, 1,913,661.81 and 1,197,828.06 is: 1,796,744.63
Step by Step Solution
- Step 1: Write the proportion equation
1,275,772.74 : 1,913,661.81 = 1,197,828.06 : x - Step 2: Convert to fraction form
1,275,772.74/1,913,661.81 = 1,197,828.06/x - Step 3: Cross multiply
1,275,772.74x = 1,913,661.81 × 1,197,828.06 - Step 4: Simplify right side
1,275,772.74x = 2,292,237,813,368.39 - Step 5: Solve for x
x = 2,292,237,813,368.39/1,275,772.74 - Step 6: Final answer
x = 1,796,744.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.