Home / 2,126,875.68-2,934,563.40-1,255,730.72

Finding the Fourth Proportional to 2,126,875.68, 2,934,563.40 and 1,255,730.72

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Solution

The fourth proportional to 2,126,875.68, 2,934,563.40 and 1,255,730.72 is: 1,732,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,875.68 : 2,934,563.40 = 1,255,730.72 : x
  2. Step 2: Convert to fraction form
    2,126,875.68/2,934,563.40 = 1,255,730.72/x
  3. Step 3: Cross multiply
    2,126,875.68x = 2,934,563.40 × 1,255,730.72
  4. Step 4: Simplify right side
    2,126,875.68x = 3,685,021,411,167.65
  5. Step 5: Solve for x
    x = 3,685,021,411,167.65/2,126,875.68
  6. Step 6: Final answer
    x = 1,732,598.41

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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.