Home / 2,157,411.16-2,977,172.52-1,190,528.80

Finding the Fourth Proportional to 2,157,411.16, 2,977,172.52 and 1,190,528.80

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Solution

The fourth proportional to 2,157,411.16, 2,977,172.52 and 1,190,528.80 is: 1,642,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,411.16 : 2,977,172.52 = 1,190,528.80 : x
  2. Step 2: Convert to fraction form
    2,157,411.16/2,977,172.52 = 1,190,528.80/x
  3. Step 3: Cross multiply
    2,157,411.16x = 2,977,172.52 × 1,190,528.80
  4. Step 4: Simplify right side
    2,157,411.16x = 3,544,409,627,628.58
  5. Step 5: Solve for x
    x = 3,544,409,627,628.58/2,157,411.16
  6. Step 6: Final answer
    x = 1,642,899.46

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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.