Home / 1,971,946.50-2,721,286.38-1,066,528.50

Finding the Fourth Proportional to 1,971,946.50, 2,721,286.38 and 1,066,528.50

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Solution

The fourth proportional to 1,971,946.50, 2,721,286.38 and 1,066,528.50 is: 1,471,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,946.50 : 2,721,286.38 = 1,066,528.50 : x
  2. Step 2: Convert to fraction form
    1,971,946.50/2,721,286.38 = 1,066,528.50/x
  3. Step 3: Cross multiply
    1,971,946.50x = 2,721,286.38 × 1,066,528.50
  4. Step 4: Simplify right side
    1,971,946.50x = 2,902,329,480,931.83
  5. Step 5: Solve for x
    x = 2,902,329,480,931.83/1,971,946.50
  6. Step 6: Final answer
    x = 1,471,809.44

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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.