Finding the Fourth Proportional to 4,583,103.60, 6,879,904.20 and 2,690,911.20
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Solution
The fourth proportional to 4,583,103.60, 6,879,904.20 and 2,690,911.20 is: 4,039,448.57
Step by Step Solution
- Step 1: Write the proportion equation
4,583,103.60 : 6,879,904.20 = 2,690,911.20 : x - Step 2: Convert to fraction form
4,583,103.60/6,879,904.20 = 2,690,911.20/x - Step 3: Cross multiply
4,583,103.60x = 6,879,904.20 × 2,690,911.20 - Step 4: Simplify right side
4,583,103.60x = 18,513,211,266,707.04 - Step 5: Solve for x
x = 18,513,211,266,707.04/4,583,103.60 - Step 6: Final answer
x = 4,039,448.57
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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.