Finding the Fourth Proportional to 2,021,323.70, 3,031,985.55 and 1,303,878.35
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Solution
The fourth proportional to 2,021,323.70, 3,031,985.55 and 1,303,878.35 is: 1,955,817.53
Step by Step Solution
- Step 1: Write the proportion equation
2,021,323.70 : 3,031,985.55 = 1,303,878.35 : x - Step 2: Convert to fraction form
2,021,323.70/3,031,985.55 = 1,303,878.35/x - Step 3: Cross multiply
2,021,323.70x = 3,031,985.55 × 1,303,878.35 - Step 4: Simplify right side
2,021,323.70x = 3,953,340,316,157.84 - Step 5: Solve for x
x = 3,953,340,316,157.84/2,021,323.70 - Step 6: Final answer
x = 1,955,817.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.