Finding the Fourth Proportional to 5,029,317.16, 6,940,264.80 and 2,853,730.59
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Solution
The fourth proportional to 5,029,317.16, 6,940,264.80 and 2,853,730.59 is: 3,938,038.77
Step by Step Solution
- Step 1: Write the proportion equation
5,029,317.16 : 6,940,264.80 = 2,853,730.59 : x - Step 2: Convert to fraction form
5,029,317.16/6,940,264.80 = 2,853,730.59/x - Step 3: Cross multiply
5,029,317.16x = 6,940,264.80 × 2,853,730.59 - Step 4: Simplify right side
5,029,317.16x = 19,805,645,962,460.23 - Step 5: Solve for x
x = 19,805,645,962,460.23/5,029,317.16 - Step 6: Final answer
x = 3,938,038.77
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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.