Home / 5,342,403.48-8,014,100.40-1,931,543.16

Finding the Fourth Proportional to 5,342,403.48, 8,014,100.40 and 1,931,543.16

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Solution

The fourth proportional to 5,342,403.48, 8,014,100.40 and 1,931,543.16 is: 2,897,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,403.48 : 8,014,100.40 = 1,931,543.16 : x
  2. Step 2: Convert to fraction form
    5,342,403.48/8,014,100.40 = 1,931,543.16/x
  3. Step 3: Cross multiply
    5,342,403.48x = 8,014,100.40 × 1,931,543.16
  4. Step 4: Simplify right side
    5,342,403.48x = 15,479,580,811,173.26
  5. Step 5: Solve for x
    x = 15,479,580,811,173.26/5,342,403.48
  6. Step 6: Final answer
    x = 2,897,493.77

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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.