Finding the Fourth Proportional to 2,319,218.74, 3,478,827.84 and 1,361,132.20
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Solution
The fourth proportional to 2,319,218.74, 3,478,827.84 and 1,361,132.20 is: 2,041,698.14
Step by Step Solution
- Step 1: Write the proportion equation
2,319,218.74 : 3,478,827.84 = 1,361,132.20 : x - Step 2: Convert to fraction form
2,319,218.74/3,478,827.84 = 1,361,132.20/x - Step 3: Cross multiply
2,319,218.74x = 3,478,827.84 × 1,361,132.20 - Step 4: Simplify right side
2,319,218.74x = 4,735,144,591,280.45 - Step 5: Solve for x
x = 4,735,144,591,280.45/2,319,218.74 - Step 6: Final answer
x = 2,041,698.14
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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.