Finding the Fourth Proportional to 1,221,815.84, 1,832,962.62 and 368,956.92
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Solution
The fourth proportional to 1,221,815.84, 1,832,962.62 and 368,956.92 is: 553,507.51
Step by Step Solution
- Step 1: Write the proportion equation
1,221,815.84 : 1,832,962.62 = 368,956.92 : x - Step 2: Convert to fraction form
1,221,815.84/1,832,962.62 = 368,956.92/x - Step 3: Cross multiply
1,221,815.84x = 1,832,962.62 × 368,956.92 - Step 4: Simplify right side
1,221,815.84x = 676,284,242,750.33 - Step 5: Solve for x
x = 676,284,242,750.33/1,221,815.84 - Step 6: Final answer
x = 553,507.51
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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.