Finding the Fourth Proportional to 4,316,767.60, 6,476,965.80 and 2,319,890.80
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Solution
The fourth proportional to 4,316,767.60, 6,476,965.80 and 2,319,890.80 is: 3,480,811.28
Step by Step Solution
- Step 1: Write the proportion equation
4,316,767.60 : 6,476,965.80 = 2,319,890.80 : x - Step 2: Convert to fraction form
4,316,767.60/6,476,965.80 = 2,319,890.80/x - Step 3: Cross multiply
4,316,767.60x = 6,476,965.80 × 2,319,890.80 - Step 4: Simplify right side
4,316,767.60x = 15,025,853,371,334.64 - Step 5: Solve for x
x = 15,025,853,371,334.64/4,316,767.60 - Step 6: Final answer
x = 3,480,811.28
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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.