Finding the Fourth Proportional to 1,534,839.84, 2,118,271.50 and 881,670.42
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Solution
The fourth proportional to 1,534,839.84, 2,118,271.50 and 881,670.42 is: 1,216,815.77
Step by Step Solution
- Step 1: Write the proportion equation
1,534,839.84 : 2,118,271.50 = 881,670.42 : x - Step 2: Convert to fraction form
1,534,839.84/2,118,271.50 = 881,670.42/x - Step 3: Cross multiply
1,534,839.84x = 2,118,271.50 × 881,670.42 - Step 4: Simplify right side
1,534,839.84x = 1,867,617,323,079.03 - Step 5: Solve for x
x = 1,867,617,323,079.03/1,534,839.84 - Step 6: Final answer
x = 1,216,815.77
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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.