Finding the Fourth Proportional to 1,700,159.12, 2,346,219.36 and 936,210.80
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Solution
The fourth proportional to 1,700,159.12, 2,346,219.36 and 936,210.80 is: 1,291,970.78
Step by Step Solution
- Step 1: Write the proportion equation
1,700,159.12 : 2,346,219.36 = 936,210.80 : x - Step 2: Convert to fraction form
1,700,159.12/2,346,219.36 = 936,210.80/x - Step 3: Cross multiply
1,700,159.12x = 2,346,219.36 × 936,210.80 - Step 4: Simplify right side
1,700,159.12x = 2,196,555,904,001.09 - Step 5: Solve for x
x = 2,196,555,904,001.09/1,700,159.12 - Step 6: Final answer
x = 1,291,970.78
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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.