Finding the Fourth Proportional to 2,216,726.19, 3,059,038.91 and 1,249,837.70
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Solution
The fourth proportional to 2,216,726.19, 3,059,038.91 and 1,249,837.70 is: 1,724,751.65
Step by Step Solution
- Step 1: Write the proportion equation
2,216,726.19 : 3,059,038.91 = 1,249,837.70 : x - Step 2: Convert to fraction form
2,216,726.19/3,059,038.91 = 1,249,837.70/x - Step 3: Cross multiply
2,216,726.19x = 3,059,038.91 × 1,249,837.70 - Step 4: Simplify right side
2,216,726.19x = 3,823,302,143,314.31 - Step 5: Solve for x
x = 3,823,302,143,314.31/2,216,726.19 - Step 6: Final answer
x = 1,724,751.65
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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.