Finding the Fourth Proportional to 4,281,187.08, 6,422,725.20 and 1,248,790.20
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Solution
The fourth proportional to 4,281,187.08, 6,422,725.20 and 1,248,790.20 is: 1,873,460.83
Step by Step Solution
- Step 1: Write the proportion equation
4,281,187.08 : 6,422,725.20 = 1,248,790.20 : x - Step 2: Convert to fraction form
4,281,187.08/6,422,725.20 = 1,248,790.20/x - Step 3: Cross multiply
4,281,187.08x = 6,422,725.20 × 1,248,790.20 - Step 4: Simplify right side
4,281,187.08x = 8,020,636,287,053.04 - Step 5: Solve for x
x = 8,020,636,287,053.04/4,281,187.08 - Step 6: Final answer
x = 1,873,460.83
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1.5x scale
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.