Finding the Fourth Proportional to 6,302,392.68, 8,688,532.50 and 5,326,378.32
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Solution
The fourth proportional to 6,302,392.68, 8,688,532.50 and 5,326,378.32 is: 7,342,990.75
Step by Step Solution
- Step 1: Write the proportion equation
6,302,392.68 : 8,688,532.50 = 5,326,378.32 : x - Step 2: Convert to fraction form
6,302,392.68/8,688,532.50 = 5,326,378.32/x - Step 3: Cross multiply
6,302,392.68x = 8,688,532.50 × 5,326,378.32 - Step 4: Simplify right side
6,302,392.68x = 46,278,411,140,615.41 - Step 5: Solve for x
x = 46,278,411,140,615.41/6,302,392.68 - Step 6: Final answer
x = 7,342,990.75
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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.