Home / 5,708,510.88-8,556,772.32-1,920,678.72

Finding the Fourth Proportional to 5,708,510.88, 8,556,772.32 and 1,920,678.72

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Solution

The fourth proportional to 5,708,510.88, 8,556,772.32 and 1,920,678.72 is: 2,879,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708,510.88 : 8,556,772.32 = 1,920,678.72 : x
  2. Step 2: Convert to fraction form
    5,708,510.88/8,556,772.32 = 1,920,678.72/x
  3. Step 3: Cross multiply
    5,708,510.88x = 8,556,772.32 × 1,920,678.72
  4. Step 4: Simplify right side
    5,708,510.88x = 16,434,810,506,909.03
  5. Step 5: Solve for x
    x = 16,434,810,506,909.03/5,708,510.88
  6. Step 6: Final answer
    x = 2,879,001.35

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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.