Finding the Fourth Proportional to 6,294,210.30, 9,441,283.76 and 5,438,678.80
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Solution
The fourth proportional to 6,294,210.30, 9,441,283.76 and 5,438,678.80 is: 8,157,990.82
Step by Step Solution
- Step 1: Write the proportion equation
6,294,210.30 : 9,441,283.76 = 5,438,678.80 : x - Step 2: Convert to fraction form
6,294,210.30/9,441,283.76 = 5,438,678.80/x - Step 3: Cross multiply
6,294,210.30x = 9,441,283.76 × 5,438,678.80 - Step 4: Simplify right side
6,294,210.30x = 51,348,109,820,289.77 - Step 5: Solve for x
x = 51,348,109,820,289.77/6,294,210.30 - Step 6: Final answer
x = 8,157,990.82
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1.5x scale
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.