Home / 1,927,504.65-2,891,256.98-1,031,709.45

Finding the Fourth Proportional to 1,927,504.65, 2,891,256.98 and 1,031,709.45

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Solution

The fourth proportional to 1,927,504.65, 2,891,256.98 and 1,031,709.45 is: 1,547,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,504.65 : 2,891,256.98 = 1,031,709.45 : x
  2. Step 2: Convert to fraction form
    1,927,504.65/2,891,256.98 = 1,031,709.45/x
  3. Step 3: Cross multiply
    1,927,504.65x = 2,891,256.98 × 1,031,709.45
  4. Step 4: Simplify right side
    1,927,504.65x = 2,982,937,143,485.91
  5. Step 5: Solve for x
    x = 2,982,937,143,485.91/1,927,504.65
  6. Step 6: Final answer
    x = 1,547,564.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.