Finding the Fourth Proportional to 1,974,753.84, 2,725,170.38 and 1,103,603.08
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Solution
The fourth proportional to 1,974,753.84, 2,725,170.38 and 1,103,603.08 is: 1,522,977.88
Step by Step Solution
- Step 1: Write the proportion equation
1,974,753.84 : 2,725,170.38 = 1,103,603.08 : x - Step 2: Convert to fraction form
1,974,753.84/2,725,170.38 = 1,103,603.08/x - Step 3: Cross multiply
1,974,753.84x = 2,725,170.38 × 1,103,603.08 - Step 4: Simplify right side
1,974,753.84x = 3,007,506,421,810.04 - Step 5: Solve for x
x = 3,007,506,421,810.04/1,974,753.84 - Step 6: Final answer
x = 1,522,977.88
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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.