Home / 2,657,526.47-3,986,924.67-860,411.93

Finding the Fourth Proportional to 2,657,526.47, 3,986,924.67 and 860,411.93

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Solution

The fourth proportional to 2,657,526.47, 3,986,924.67 and 860,411.93 is: 1,290,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,526.47 : 3,986,924.67 = 860,411.93 : x
  2. Step 2: Convert to fraction form
    2,657,526.47/3,986,924.67 = 860,411.93/x
  3. Step 3: Cross multiply
    2,657,526.47x = 3,986,924.67 × 860,411.93
  4. Step 4: Simplify right side
    2,657,526.47x = 3,430,397,550,079.31
  5. Step 5: Solve for x
    x = 3,430,397,550,079.31/2,657,526.47
  6. Step 6: Final answer
    x = 1,290,823.47

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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.