Finding the Fourth Proportional to 1,407,054.08, 2,105,535.98 and 1,218,164.12
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Solution
The fourth proportional to 1,407,054.08, 2,105,535.98 and 1,218,164.12 is: 1,822,878.32
Step by Step Solution
- Step 1: Write the proportion equation
1,407,054.08 : 2,105,535.98 = 1,218,164.12 : x - Step 2: Convert to fraction form
1,407,054.08/2,105,535.98 = 1,218,164.12/x - Step 3: Cross multiply
1,407,054.08x = 2,105,535.98 × 1,218,164.12 - Step 4: Simplify right side
1,407,054.08x = 2,564,888,384,205.04 - Step 5: Solve for x
x = 2,564,888,384,205.04/1,407,054.08 - Step 6: Final answer
x = 1,822,878.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.