Finding the Fourth Proportional to 1,506,474.84, 2,078,928.18 and 818,141.88
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Solution
The fourth proportional to 1,506,474.84, 2,078,928.18 and 818,141.88 is: 1,129,031.94
Step by Step Solution
- Step 1: Write the proportion equation
1,506,474.84 : 2,078,928.18 = 818,141.88 : x - Step 2: Convert to fraction form
1,506,474.84/2,078,928.18 = 818,141.88/x - Step 3: Cross multiply
1,506,474.84x = 2,078,928.18 × 818,141.88 - Step 4: Simplify right side
1,506,474.84x = 1,700,858,209,570.18 - Step 5: Solve for x
x = 1,700,858,209,570.18/1,506,474.84 - Step 6: Final answer
x = 1,129,031.94
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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.