Finding the Fourth Proportional to 1,909,990.13, 2,636,160.80 and 1,094,740.23
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Solution
The fourth proportional to 1,909,990.13, 2,636,160.80 and 1,094,740.23 is: 1,510,956.12
Step by Step Solution
- Step 1: Write the proportion equation
1,909,990.13 : 2,636,160.80 = 1,094,740.23 : x - Step 2: Convert to fraction form
1,909,990.13/2,636,160.80 = 1,094,740.23/x - Step 3: Cross multiply
1,909,990.13x = 2,636,160.80 × 1,094,740.23 - Step 4: Simplify right side
1,909,990.13x = 2,885,911,270,092.48 - Step 5: Solve for x
x = 2,885,911,270,092.48/1,909,990.13 - Step 6: Final answer
x = 1,510,956.12
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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.