Finding the Fourth Proportional to 2,749,706.68, 4,119,679.86 and 1,148,746.36
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Solution
The fourth proportional to 2,749,706.68, 4,119,679.86 and 1,148,746.36 is: 1,721,080.75
Step by Step Solution
- Step 1: Write the proportion equation
2,749,706.68 : 4,119,679.86 = 1,148,746.36 : x - Step 2: Convert to fraction form
2,749,706.68/4,119,679.86 = 1,148,746.36/x - Step 3: Cross multiply
2,749,706.68x = 4,119,679.86 × 1,148,746.36 - Step 4: Simplify right side
2,749,706.68x = 4,732,467,243,540.31 - Step 5: Solve for x
x = 4,732,467,243,540.31/2,749,706.68 - Step 6: Final answer
x = 1,721,080.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.