Finding the Fourth Proportional to 2,660,746.16, 3,671,823.48 and 1,453,530.80
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Solution
The fourth proportional to 2,660,746.16, 3,671,823.48 and 1,453,530.80 is: 2,005,869.11
Step by Step Solution
- Step 1: Write the proportion equation
2,660,746.16 : 3,671,823.48 = 1,453,530.80 : x - Step 2: Convert to fraction form
2,660,746.16/3,671,823.48 = 1,453,530.80/x - Step 3: Cross multiply
2,660,746.16x = 3,671,823.48 × 1,453,530.80 - Step 4: Simplify right side
2,660,746.16x = 5,337,108,520,343.18 - Step 5: Solve for x
x = 5,337,108,520,343.18/2,660,746.16 - Step 6: Final answer
x = 2,005,869.11
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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.