Home / 2,191,417.95-3,024,098.71-1,224,556.19

Finding the Fourth Proportional to 2,191,417.95, 3,024,098.71 and 1,224,556.19

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Solution

The fourth proportional to 2,191,417.95, 3,024,098.71 and 1,224,556.19 is: 1,689,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,417.95 : 3,024,098.71 = 1,224,556.19 : x
  2. Step 2: Convert to fraction form
    2,191,417.95/3,024,098.71 = 1,224,556.19/x
  3. Step 3: Cross multiply
    2,191,417.95x = 3,024,098.71 × 1,224,556.19
  4. Step 4: Simplify right side
    2,191,417.95x = 3,703,178,776,319.63
  5. Step 5: Solve for x
    x = 3,703,178,776,319.63/2,191,417.95
  6. Step 6: Final answer
    x = 1,689,855.09

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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.