Finding the Fourth Proportional to 6,447,991.37, 8,898,228.14 and 3,547,319.94
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Solution
The fourth proportional to 6,447,991.37, 8,898,228.14 and 3,547,319.94 is: 4,895,301.55
Step by Step Solution
- Step 1: Write the proportion equation
6,447,991.37 : 8,898,228.14 = 3,547,319.94 : x - Step 2: Convert to fraction form
6,447,991.37/8,898,228.14 = 3,547,319.94/x - Step 3: Cross multiply
6,447,991.37x = 8,898,228.14 × 3,547,319.94 - Step 4: Simplify right side
6,447,991.37x = 31,564,862,093,954.51 - Step 5: Solve for x
x = 31,564,862,093,954.51/6,447,991.37 - Step 6: Final answer
x = 4,895,301.55
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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.