Home / 2,157,464.86-2,977,373.01-1,177,457.52

Finding the Fourth Proportional to 2,157,464.86, 2,977,373.01 and 1,177,457.52

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Solution

The fourth proportional to 2,157,464.86, 2,977,373.01 and 1,177,457.52 is: 1,624,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,464.86 : 2,977,373.01 = 1,177,457.52 : x
  2. Step 2: Convert to fraction form
    2,157,464.86/2,977,373.01 = 1,177,457.52/x
  3. Step 3: Cross multiply
    2,157,464.86x = 2,977,373.01 × 1,177,457.52
  4. Step 4: Simplify right side
    2,157,464.86x = 3,505,730,249,426.95
  5. Step 5: Solve for x
    x = 3,505,730,249,426.95/2,157,464.86
  6. Step 6: Final answer
    x = 1,624,930.40

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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.