Finding the Fourth Proportional to 2,115,395.03, 3,174,633.35 and 767,666.18
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Solution
The fourth proportional to 2,115,395.03, 3,174,633.35 and 767,666.18 is: 1,152,058.41
Step by Step Solution
- Step 1: Write the proportion equation
2,115,395.03 : 3,174,633.35 = 767,666.18 : x - Step 2: Convert to fraction form
2,115,395.03/3,174,633.35 = 767,666.18/x - Step 3: Cross multiply
2,115,395.03x = 3,174,633.35 × 767,666.18 - Step 4: Simplify right side
2,115,395.03x = 2,437,058,636,983.61 - Step 5: Solve for x
x = 2,437,058,636,983.61/2,115,395.03 - Step 6: Final answer
x = 1,152,058.41
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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.