Finding the Fourth Proportional to 4,993,420.06, 6,890,917.35 and 2,818,419.40
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Solution
The fourth proportional to 4,993,420.06, 6,890,917.35 and 2,818,419.40 is: 3,889,417.46
Step by Step Solution
- Step 1: Write the proportion equation
4,993,420.06 : 6,890,917.35 = 2,818,419.40 : x - Step 2: Convert to fraction form
4,993,420.06/6,890,917.35 = 2,818,419.40/x - Step 3: Cross multiply
4,993,420.06x = 6,890,917.35 × 2,818,419.40 - Step 4: Simplify right side
4,993,420.06x = 19,421,495,143,036.59 - Step 5: Solve for x
x = 19,421,495,143,036.59/4,993,420.06 - Step 6: Final answer
x = 3,889,417.46
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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.