Home / 3,020,108.90-4,168,347.09-1,731,820.10

Finding the Fourth Proportional to 3,020,108.90, 4,168,347.09 and 1,731,820.10

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Solution

The fourth proportional to 3,020,108.90, 4,168,347.09 and 1,731,820.10 is: 2,390,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,108.90 : 4,168,347.09 = 1,731,820.10 : x
  2. Step 2: Convert to fraction form
    3,020,108.90/4,168,347.09 = 1,731,820.10/x
  3. Step 3: Cross multiply
    3,020,108.90x = 4,168,347.09 × 1,731,820.10
  4. Step 4: Simplify right side
    3,020,108.90x = 7,218,827,274,238.51
  5. Step 5: Solve for x
    x = 7,218,827,274,238.51/3,020,108.90
  6. Step 6: Final answer
    x = 2,390,253.97

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1.5x scale

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.