Home / 5,406,862.65-8,109,260.38-1,620,345.53

Finding the Fourth Proportional to 5,406,862.65, 8,109,260.38 and 1,620,345.53

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Solution

The fourth proportional to 5,406,862.65, 8,109,260.38 and 1,620,345.53 is: 2,430,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406,862.65 : 8,109,260.38 = 1,620,345.53 : x
  2. Step 2: Convert to fraction form
    5,406,862.65/8,109,260.38 = 1,620,345.53/x
  3. Step 3: Cross multiply
    5,406,862.65x = 8,109,260.38 × 1,620,345.53
  4. Step 4: Simplify right side
    5,406,862.65x = 13,139,803,808,339.10
  5. Step 5: Solve for x
    x = 13,139,803,808,339.10/5,406,862.65
  6. Step 6: Final answer
    x = 2,430,208.54

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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.