Finding the Fourth Proportional to 3,137,445.75, 4,708,159.47 and 1,340,342.76
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Solution
The fourth proportional to 3,137,445.75, 4,708,159.47 and 1,340,342.76 is: 2,011,364.65
Step by Step Solution
- Step 1: Write the proportion equation
3,137,445.75 : 4,708,159.47 = 1,340,342.76 : x - Step 2: Convert to fraction form
3,137,445.75/4,708,159.47 = 1,340,342.76/x - Step 3: Cross multiply
3,137,445.75x = 4,708,159.47 × 1,340,342.76 - Step 4: Simplify right side
3,137,445.75x = 6,310,547,458,539.94 - Step 5: Solve for x
x = 6,310,547,458,539.94/3,137,445.75 - Step 6: Final answer
x = 2,011,364.65
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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.