Finding the Fourth Proportional to 1,988,032.40, 2,982,048.60 and 1,767,582.80
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Solution
The fourth proportional to 1,988,032.40, 2,982,048.60 and 1,767,582.80 is: 2,651,374.20
Step by Step Solution
- Step 1: Write the proportion equation
1,988,032.40 : 2,982,048.60 = 1,767,582.80 : x - Step 2: Convert to fraction form
1,988,032.40/2,982,048.60 = 1,767,582.80/x - Step 3: Cross multiply
1,988,032.40x = 2,982,048.60 × 1,767,582.80 - Step 4: Simplify right side
1,988,032.40x = 5,271,017,814,124.08 - Step 5: Solve for x
x = 5,271,017,814,124.08/1,988,032.40 - Step 6: Final answer
x = 2,651,374.20
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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.