Finding the Fourth Proportional to 2,814,013.08, 3,881,911.68 and 1,779,779.03
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Solution
The fourth proportional to 2,814,013.08, 3,881,911.68 and 1,779,779.03 is: 2,455,192.92
Step by Step Solution
- Step 1: Write the proportion equation
2,814,013.08 : 3,881,911.68 = 1,779,779.03 : x - Step 2: Convert to fraction form
2,814,013.08/3,881,911.68 = 1,779,779.03/x - Step 3: Cross multiply
2,814,013.08x = 3,881,911.68 × 1,779,779.03 - Step 4: Simplify right side
2,814,013.08x = 6,908,944,984,966.51 - Step 5: Solve for x
x = 6,908,944,984,966.51/2,814,013.08 - Step 6: Final answer
x = 2,455,192.92
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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.