Finding the Fourth Proportional to 2,551,967.03, 3,521,681.99 and 1,390,461.65
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Solution
The fourth proportional to 2,551,967.03, 3,521,681.99 and 1,390,461.65 is: 1,918,819.37
Step by Step Solution
- Step 1: Write the proportion equation
2,551,967.03 : 3,521,681.99 = 1,390,461.65 : x - Step 2: Convert to fraction form
2,551,967.03/3,521,681.99 = 1,390,461.65/x - Step 3: Cross multiply
2,551,967.03x = 3,521,681.99 × 1,390,461.65 - Step 4: Simplify right side
2,551,967.03x = 4,896,763,750,590.68 - Step 5: Solve for x
x = 4,896,763,750,590.68/2,551,967.03 - Step 6: Final answer
x = 1,918,819.37
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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.