Home / 4,672,295.10-7,007,130.45-1,478,400.30

Finding the Fourth Proportional to 4,672,295.10, 7,007,130.45 and 1,478,400.30

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Solution

The fourth proportional to 4,672,295.10, 7,007,130.45 and 1,478,400.30 is: 2,217,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,295.10 : 7,007,130.45 = 1,478,400.30 : x
  2. Step 2: Convert to fraction form
    4,672,295.10/7,007,130.45 = 1,478,400.30/x
  3. Step 3: Cross multiply
    4,672,295.10x = 7,007,130.45 × 1,478,400.30
  4. Step 4: Simplify right side
    4,672,295.10x = 10,359,343,759,419.13
  5. Step 5: Solve for x
    x = 10,359,343,759,419.13/4,672,295.10
  6. Step 6: Final answer
    x = 2,217,185.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.