Finding the Fourth Proportional to 2,058,223.53, 2,840,345.66 and 1,140,512.09
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Solution
The fourth proportional to 2,058,223.53, 2,840,345.66 and 1,140,512.09 is: 1,573,905.12
Step by Step Solution
- Step 1: Write the proportion equation
2,058,223.53 : 2,840,345.66 = 1,140,512.09 : x - Step 2: Convert to fraction form
2,058,223.53/2,840,345.66 = 1,140,512.09/x - Step 3: Cross multiply
2,058,223.53x = 2,840,345.66 × 1,140,512.09 - Step 4: Simplify right side
2,058,223.53x = 3,239,448,545,104.74 - Step 5: Solve for x
x = 3,239,448,545,104.74/2,058,223.53 - Step 6: Final answer
x = 1,573,905.12
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1.5x scale
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.