Finding the Fourth Proportional to 1,668,949.18, 2,303,151.16 and 905,002.74
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Solution
The fourth proportional to 1,668,949.18, 2,303,151.16 and 905,002.74 is: 1,248,904.48
Step by Step Solution
- Step 1: Write the proportion equation
1,668,949.18 : 2,303,151.16 = 905,002.74 : x - Step 2: Convert to fraction form
1,668,949.18/2,303,151.16 = 905,002.74/x - Step 3: Cross multiply
1,668,949.18x = 2,303,151.16 × 905,002.74 - Step 4: Simplify right side
1,668,949.18x = 2,084,358,110,434.18 - Step 5: Solve for x
x = 2,084,358,110,434.18/1,668,949.18 - Step 6: Final answer
x = 1,248,904.48
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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.