Finding the Fourth Proportional to 5,616,188.80, 8,424,283.20 and 5,028,323.20
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Solution
The fourth proportional to 5,616,188.80, 8,424,283.20 and 5,028,323.20 is: 7,542,484.80
Step by Step Solution
- Step 1: Write the proportion equation
5,616,188.80 : 8,424,283.20 = 5,028,323.20 : x - Step 2: Convert to fraction form
5,616,188.80/8,424,283.20 = 5,028,323.20/x - Step 3: Cross multiply
5,616,188.80x = 8,424,283.20 × 5,028,323.20 - Step 4: Simplify right side
5,616,188.80x = 42,360,018,657,930.23 - Step 5: Solve for x
x = 42,360,018,657,930.23/5,616,188.80 - Step 6: Final answer
x = 7,542,484.80
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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.