Home / 2,159,673.90-2,980,681.11-1,333,228.74

Finding the Fourth Proportional to 2,159,673.90, 2,980,681.11 and 1,333,228.74

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Solution

The fourth proportional to 2,159,673.90, 2,980,681.11 and 1,333,228.74 is: 1,840,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,673.90 : 2,980,681.11 = 1,333,228.74 : x
  2. Step 2: Convert to fraction form
    2,159,673.90/2,980,681.11 = 1,333,228.74/x
  3. Step 3: Cross multiply
    2,159,673.90x = 2,980,681.11 × 1,333,228.74
  4. Step 4: Simplify right side
    2,159,673.90x = 3,973,929,720,627.10
  5. Step 5: Solve for x
    x = 3,973,929,720,627.10/2,159,673.90
  6. Step 6: Final answer
    x = 1,840,060.08

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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.