Home / 2,590,722.90-3,575,200.95-1,429,142.94

Finding the Fourth Proportional to 2,590,722.90, 3,575,200.95 and 1,429,142.94

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Solution

The fourth proportional to 2,590,722.90, 3,575,200.95 and 1,429,142.94 is: 1,972,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,722.90 : 3,575,200.95 = 1,429,142.94 : x
  2. Step 2: Convert to fraction form
    2,590,722.90/3,575,200.95 = 1,429,142.94/x
  3. Step 3: Cross multiply
    2,590,722.90x = 3,575,200.95 × 1,429,142.94
  4. Step 4: Simplify right side
    2,590,722.90x = 5,109,473,196,773.79
  5. Step 5: Solve for x
    x = 5,109,473,196,773.79/2,590,722.90
  6. Step 6: Final answer
    x = 1,972,219.10

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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.