Home / 1,971,095.90-2,720,116.44-1,065,677.90

Finding the Fourth Proportional to 1,971,095.90, 2,720,116.44 and 1,065,677.90

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Solution

The fourth proportional to 1,971,095.90, 2,720,116.44 and 1,065,677.90 is: 1,470,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,095.90 : 2,720,116.44 = 1,065,677.90 : x
  2. Step 2: Convert to fraction form
    1,971,095.90/2,720,116.44 = 1,065,677.90/x
  3. Step 3: Cross multiply
    1,971,095.90x = 2,720,116.44 × 1,065,677.90
  4. Step 4: Simplify right side
    1,971,095.90x = 2,898,767,961,934.09
  5. Step 5: Solve for x
    x = 2,898,767,961,934.09/1,971,095.90
  6. Step 6: Final answer
    x = 1,470,637.71

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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.