Finding the Fourth Proportional to 6,590,649.60, 9,869,385.60 and 4,334,572.80
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Solution
The fourth proportional to 6,590,649.60, 9,869,385.60 and 4,334,572.80 is: 6,490,948.99
Step by Step Solution
- Step 1: Write the proportion equation
6,590,649.60 : 9,869,385.60 = 4,334,572.80 : x - Step 2: Convert to fraction form
6,590,649.60/9,869,385.60 = 4,334,572.80/x - Step 3: Cross multiply
6,590,649.60x = 9,869,385.60 × 4,334,572.80 - Step 4: Simplify right side
6,590,649.60x = 42,779,570,374,471.68 - Step 5: Solve for x
x = 42,779,570,374,471.68/6,590,649.60 - Step 6: Final answer
x = 6,490,948.99
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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.