Finding the Fourth Proportional to 1,560,368.10, 2,338,802.55 and 661,656.90
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Solution
The fourth proportional to 1,560,368.10, 2,338,802.55 and 661,656.90 is: 991,743.45
Step by Step Solution
- Step 1: Write the proportion equation
1,560,368.10 : 2,338,802.55 = 661,656.90 : x - Step 2: Convert to fraction form
1,560,368.10/2,338,802.55 = 661,656.90/x - Step 3: Cross multiply
1,560,368.10x = 2,338,802.55 × 661,656.90 - Step 4: Simplify right side
1,560,368.10x = 1,547,484,844,945.10 - Step 5: Solve for x
x = 1,547,484,844,945.10/1,560,368.10 - Step 6: Final answer
x = 991,743.45
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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.