Finding the Fourth Proportional to 2,687,368.68, 4,031,621.64 and 890,150.40
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Solution
The fourth proportional to 2,687,368.68, 4,031,621.64 and 890,150.40 is: 1,335,413.95
Step by Step Solution
- Step 1: Write the proportion equation
2,687,368.68 : 4,031,621.64 = 890,150.40 : x - Step 2: Convert to fraction form
2,687,368.68/4,031,621.64 = 890,150.40/x - Step 3: Cross multiply
2,687,368.68x = 4,031,621.64 × 890,150.40 - Step 4: Simplify right side
2,687,368.68x = 3,588,749,615,494.66 - Step 5: Solve for x
x = 3,588,749,615,494.66/2,687,368.68 - Step 6: Final answer
x = 1,335,413.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.