Home / 5,155,442.03-7,733,161.89-1,317,271.61

Finding the Fourth Proportional to 5,155,442.03, 7,733,161.89 and 1,317,271.61

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Solution

The fourth proportional to 5,155,442.03, 7,733,161.89 and 1,317,271.61 is: 1,975,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,442.03 : 7,733,161.89 = 1,317,271.61 : x
  2. Step 2: Convert to fraction form
    5,155,442.03/7,733,161.89 = 1,317,271.61/x
  3. Step 3: Cross multiply
    5,155,442.03x = 7,733,161.89 × 1,317,271.61
  4. Step 4: Simplify right side
    5,155,442.03x = 10,186,674,574,565.13
  5. Step 5: Solve for x
    x = 10,186,674,574,565.13/5,155,442.03
  6. Step 6: Final answer
    x = 1,975,907.11

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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.