Finding the Fourth Proportional to 1,492,315.77, 2,058,811.14 and 918,359.49
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Solution
The fourth proportional to 1,492,315.77, 2,058,811.14 and 918,359.49 is: 1,266,976.32
Step by Step Solution
- Step 1: Write the proportion equation
1,492,315.77 : 2,058,811.14 = 918,359.49 : x - Step 2: Convert to fraction form
1,492,315.77/2,058,811.14 = 918,359.49/x - Step 3: Cross multiply
1,492,315.77x = 2,058,811.14 × 918,359.49 - Step 4: Simplify right side
1,492,315.77x = 1,890,728,748,536.72 - Step 5: Solve for x
x = 1,890,728,748,536.72/1,492,315.77 - Step 6: Final answer
x = 1,266,976.32
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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.