Finding the Fourth Proportional to 1,377,968.84, 1,901,703.48 and 826,705.18
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Solution
The fourth proportional to 1,377,968.84, 1,901,703.48 and 826,705.18 is: 1,140,917.03
Step by Step Solution
- Step 1: Write the proportion equation
1,377,968.84 : 1,901,703.48 = 826,705.18 : x - Step 2: Convert to fraction form
1,377,968.84/1,901,703.48 = 826,705.18/x - Step 3: Cross multiply
1,377,968.84x = 1,901,703.48 × 826,705.18 - Step 4: Simplify right side
1,377,968.84x = 1,572,148,117,740.03 - Step 5: Solve for x
x = 1,572,148,117,740.03/1,377,968.84 - Step 6: Final answer
x = 1,140,917.03
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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.