Finding the Fourth Proportional to 1,779,680.79, 2,455,947.18 and 963,865.76
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Solution
The fourth proportional to 1,779,680.79, 2,455,947.18 and 963,865.76 is: 1,330,128.07
Step by Step Solution
- Step 1: Write the proportion equation
1,779,680.79 : 2,455,947.18 = 963,865.76 : x - Step 2: Convert to fraction form
1,779,680.79/2,455,947.18 = 963,865.76/x - Step 3: Cross multiply
1,779,680.79x = 2,455,947.18 × 963,865.76 - Step 4: Simplify right side
1,779,680.79x = 2,367,203,382,890.82 - Step 5: Solve for x
x = 2,367,203,382,890.82/1,779,680.79 - Step 6: Final answer
x = 1,330,128.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.