Finding the Fourth Proportional to 5,302,259.49, 7,317,124.30 and 3,010,420.18
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Solution
The fourth proportional to 5,302,259.49, 7,317,124.30 and 3,010,420.18 is: 4,154,383.37
Step by Step Solution
- Step 1: Write the proportion equation
5,302,259.49 : 7,317,124.30 = 3,010,420.18 : x - Step 2: Convert to fraction form
5,302,259.49/7,317,124.30 = 3,010,420.18/x - Step 3: Cross multiply
5,302,259.49x = 7,317,124.30 × 3,010,420.18 - Step 4: Simplify right side
5,302,259.49x = 22,027,618,615,702.75 - Step 5: Solve for x
x = 22,027,618,615,702.75/5,302,259.49 - Step 6: Final answer
x = 4,154,383.37
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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.