Finding the Fourth Proportional to 4,917,348.70, 6,785,773.58 and 2,712,298.90
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Solution
The fourth proportional to 4,917,348.70, 6,785,773.58 and 2,712,298.90 is: 3,742,880.02
Step by Step Solution
- Step 1: Write the proportion equation
4,917,348.70 : 6,785,773.58 = 2,712,298.90 : x - Step 2: Convert to fraction form
4,917,348.70/6,785,773.58 = 2,712,298.90/x - Step 3: Cross multiply
4,917,348.70x = 6,785,773.58 × 2,712,298.90 - Step 4: Simplify right side
4,917,348.70x = 18,405,046,216,683.06 - Step 5: Solve for x
x = 18,405,046,216,683.06/4,917,348.70 - Step 6: Final answer
x = 3,742,880.02
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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.