Finding the Fourth Proportional to 1,407,357.69, 2,110,236.71 and 553,966.80
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Solution
The fourth proportional to 1,407,357.69, 2,110,236.71 and 553,966.80 is: 830,635.37
Step by Step Solution
- Step 1: Write the proportion equation
1,407,357.69 : 2,110,236.71 = 553,966.80 : x - Step 2: Convert to fraction form
1,407,357.69/2,110,236.71 = 553,966.80/x - Step 3: Cross multiply
1,407,357.69x = 2,110,236.71 × 553,966.80 - Step 4: Simplify right side
1,407,357.69x = 1,169,001,066,798.01 - Step 5: Solve for x
x = 1,169,001,066,798.01/1,407,357.69 - Step 6: Final answer
x = 830,635.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.