Home / 5,148,011.74-7,724,051.52-1,953,985.72

Finding the Fourth Proportional to 5,148,011.74, 7,724,051.52 and 1,953,985.72

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Solution

The fourth proportional to 5,148,011.74, 7,724,051.52 and 1,953,985.72 is: 2,931,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,011.74 : 7,724,051.52 = 1,953,985.72 : x
  2. Step 2: Convert to fraction form
    5,148,011.74/7,724,051.52 = 1,953,985.72/x
  3. Step 3: Cross multiply
    5,148,011.74x = 7,724,051.52 × 1,953,985.72
  4. Step 4: Simplify right side
    5,148,011.74x = 15,092,686,370,624.29
  5. Step 5: Solve for x
    x = 15,092,686,370,624.29/5,148,011.74
  6. Step 6: Final answer
    x = 2,931,750.57

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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.