Finding the Fourth Proportional to 2,963,304.12, 4,089,379.32 and 1,605,177.12
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Solution
The fourth proportional to 2,963,304.12, 4,089,379.32 and 1,605,177.12 is: 2,215,155.06
Step by Step Solution
- Step 1: Write the proportion equation
2,963,304.12 : 4,089,379.32 = 1,605,177.12 : x - Step 2: Convert to fraction form
2,963,304.12/4,089,379.32 = 1,605,177.12/x - Step 3: Cross multiply
2,963,304.12x = 4,089,379.32 × 1,605,177.12 - Step 4: Simplify right side
2,963,304.12x = 6,564,178,119,465.16 - Step 5: Solve for x
x = 6,564,178,119,465.16/2,963,304.12 - Step 6: Final answer
x = 2,215,155.06
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1.5x scale
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.