Finding the Fourth Proportional to 7,727,964.90, 10,664,639.19 and 4,243,454.25
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Solution
The fourth proportional to 7,727,964.90, 10,664,639.19 and 4,243,454.25 is: 5,855,993.02
Step by Step Solution
- Step 1: Write the proportion equation
7,727,964.90 : 10,664,639.19 = 4,243,454.25 : x - Step 2: Convert to fraction form
7,727,964.90/10,664,639.19 = 4,243,454.25/x - Step 3: Cross multiply
7,727,964.90x = 10,664,639.19 × 4,243,454.25 - Step 4: Simplify right side
7,727,964.90x = 45,254,908,495,522.05 - Step 5: Solve for x
x = 45,254,908,495,522.05/7,727,964.90 - Step 6: Final answer
x = 5,855,993.02
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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.