Finding the Fourth Proportional to 6,119,420.62, 8,444,809.02 and 3,403,166.62
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Solution
The fourth proportional to 6,119,420.62, 8,444,809.02 and 3,403,166.62 is: 4,696,374.70
Step by Step Solution
- Step 1: Write the proportion equation
6,119,420.62 : 8,444,809.02 = 3,403,166.62 : x - Step 2: Convert to fraction form
6,119,420.62/8,444,809.02 = 3,403,166.62/x - Step 3: Cross multiply
6,119,420.62x = 8,444,809.02 × 3,403,166.62 - Step 4: Simplify right side
6,119,420.62x = 28,739,092,169,138.91 - Step 5: Solve for x
x = 28,739,092,169,138.91/6,119,420.62 - Step 6: Final answer
x = 4,696,374.70
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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.