Finding the Fourth Proportional to 1,914,276.84, 2,871,470.94 and 715,970.53
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Solution
The fourth proportional to 1,914,276.84, 2,871,470.94 and 715,970.53 is: 1,073,976.62
Step by Step Solution
- Step 1: Write the proportion equation
1,914,276.84 : 2,871,470.94 = 715,970.53 : x - Step 2: Convert to fraction form
1,914,276.84/2,871,470.94 = 715,970.53/x - Step 3: Cross multiply
1,914,276.84x = 2,871,470.94 × 715,970.53 - Step 4: Simplify right side
1,914,276.84x = 2,055,888,570,791.40 - Step 5: Solve for x
x = 2,055,888,570,791.40/1,914,276.84 - Step 6: Final answer
x = 1,073,976.62
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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.