Finding the Fourth Proportional to 1,778,299.47, 2,667,726.99 and 579,943.08
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Solution
The fourth proportional to 1,778,299.47, 2,667,726.99 and 579,943.08 is: 870,005.21
Step by Step Solution
- Step 1: Write the proportion equation
1,778,299.47 : 2,667,726.99 = 579,943.08 : x - Step 2: Convert to fraction form
1,778,299.47/2,667,726.99 = 579,943.08/x - Step 3: Cross multiply
1,778,299.47x = 2,667,726.99 × 579,943.08 - Step 4: Simplify right side
1,778,299.47x = 1,547,129,807,179.73 - Step 5: Solve for x
x = 1,547,129,807,179.73/1,778,299.47 - Step 6: Final answer
x = 870,005.21
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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.