Finding the Fourth Proportional to 1,488,011.36, 2,053,368.48 and 808,941.92
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Solution
The fourth proportional to 1,488,011.36, 2,053,368.48 and 808,941.92 is: 1,116,292.45
Step by Step Solution
- Step 1: Write the proportion equation
1,488,011.36 : 2,053,368.48 = 808,941.92 : x - Step 2: Convert to fraction form
1,488,011.36/2,053,368.48 = 808,941.92/x - Step 3: Cross multiply
1,488,011.36x = 2,053,368.48 × 808,941.92 - Step 4: Simplify right side
1,488,011.36x = 1,661,055,840,678.68 - Step 5: Solve for x
x = 1,661,055,840,678.68/1,488,011.36 - Step 6: Final answer
x = 1,116,292.45
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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.