Finding the Fourth Proportional to 1,590,739.72, 2,195,202.35 and 865,574.95
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Solution
The fourth proportional to 1,590,739.72, 2,195,202.35 and 865,574.95 is: 1,194,483.38
Step by Step Solution
- Step 1: Write the proportion equation
1,590,739.72 : 2,195,202.35 = 865,574.95 : x - Step 2: Convert to fraction form
1,590,739.72/2,195,202.35 = 865,574.95/x - Step 3: Cross multiply
1,590,739.72x = 2,195,202.35 × 865,574.95 - Step 4: Simplify right side
1,590,739.72x = 1,900,112,164,341.13 - Step 5: Solve for x
x = 1,900,112,164,341.13/1,590,739.72 - Step 6: Final answer
x = 1,194,483.38
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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.