Home / 2,153,504.40-2,971,966.56-1,186,633.50

Finding the Fourth Proportional to 2,153,504.40, 2,971,966.56 and 1,186,633.50

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Solution

The fourth proportional to 2,153,504.40, 2,971,966.56 and 1,186,633.50 is: 1,637,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,504.40 : 2,971,966.56 = 1,186,633.50 : x
  2. Step 2: Convert to fraction form
    2,153,504.40/2,971,966.56 = 1,186,633.50/x
  3. Step 3: Cross multiply
    2,153,504.40x = 2,971,966.56 × 1,186,633.50
  4. Step 4: Simplify right side
    2,153,504.40x = 3,526,635,080,975.76
  5. Step 5: Solve for x
    x = 3,526,635,080,975.76/2,153,504.40
  6. Step 6: Final answer
    x = 1,637,626.13

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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.