Home / 1,911,709.35-2,638,159.61-1,052,263.44

Finding the Fourth Proportional to 1,911,709.35, 2,638,159.61 and 1,052,263.44

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Solution

The fourth proportional to 1,911,709.35, 2,638,159.61 and 1,052,263.44 is: 1,452,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,709.35 : 2,638,159.61 = 1,052,263.44 : x
  2. Step 2: Convert to fraction form
    1,911,709.35/2,638,159.61 = 1,052,263.44/x
  3. Step 3: Cross multiply
    1,911,709.35x = 2,638,159.61 × 1,052,263.44
  4. Step 4: Simplify right side
    1,911,709.35x = 2,776,038,901,226.34
  5. Step 5: Solve for x
    x = 2,776,038,901,226.34/1,911,709.35
  6. Step 6: Final answer
    x = 1,452,123.93

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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.