Finding the Fourth Proportional to 1,881,890.92, 2,596,437.48 and 1,065,964.96
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Solution
The fourth proportional to 1,881,890.92, 2,596,437.48 and 1,065,964.96 is: 1,470,707.65
Step by Step Solution
- Step 1: Write the proportion equation
1,881,890.92 : 2,596,437.48 = 1,065,964.96 : x - Step 2: Convert to fraction form
1,881,890.92/2,596,437.48 = 1,065,964.96/x - Step 3: Cross multiply
1,881,890.92x = 2,596,437.48 × 1,065,964.96 - Step 4: Simplify right side
1,881,890.92x = 2,767,711,374,510.70 - Step 5: Solve for x
x = 2,767,711,374,510.70/1,881,890.92 - Step 6: Final answer
x = 1,470,707.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.