Finding the Fourth Proportional to 1,473,112.81, 2,032,875.65 and 828,532.76
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Solution
The fourth proportional to 1,473,112.81, 2,032,875.65 and 828,532.76 is: 1,143,363.95
Step by Step Solution
- Step 1: Write the proportion equation
1,473,112.81 : 2,032,875.65 = 828,532.76 : x - Step 2: Convert to fraction form
1,473,112.81/2,032,875.65 = 828,532.76/x - Step 3: Cross multiply
1,473,112.81x = 2,032,875.65 × 828,532.76 - Step 4: Simplify right side
1,473,112.81x = 1,684,304,068,888.63 - Step 5: Solve for x
x = 1,684,304,068,888.63/1,473,112.81 - Step 6: Final answer
x = 1,143,363.95
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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.