Home / 4,307,580.80-6,461,313.60-1,315,779.20

Finding the Fourth Proportional to 4,307,580.80, 6,461,313.60 and 1,315,779.20

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Solution

The fourth proportional to 4,307,580.80, 6,461,313.60 and 1,315,779.20 is: 1,973,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307,580.80 : 6,461,313.60 = 1,315,779.20 : x
  2. Step 2: Convert to fraction form
    4,307,580.80/6,461,313.60 = 1,315,779.20/x
  3. Step 3: Cross multiply
    4,307,580.80x = 6,461,313.60 × 1,315,779.20
  4. Step 4: Simplify right side
    4,307,580.80x = 8,501,662,039,557.12
  5. Step 5: Solve for x
    x = 8,501,662,039,557.12/4,307,580.80
  6. Step 6: Final answer
    x = 1,973,651.21

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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.