Home / 5,515,210.56-8,270,158.59-1,920,897.93

Finding the Fourth Proportional to 5,515,210.56, 8,270,158.59 and 1,920,897.93

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Solution

The fourth proportional to 5,515,210.56, 8,270,158.59 and 1,920,897.93 is: 2,880,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,210.56 : 8,270,158.59 = 1,920,897.93 : x
  2. Step 2: Convert to fraction form
    5,515,210.56/8,270,158.59 = 1,920,897.93/x
  3. Step 3: Cross multiply
    5,515,210.56x = 8,270,158.59 × 1,920,897.93
  4. Step 4: Simplify right side
    5,515,210.56x = 15,886,130,516,302.72
  5. Step 5: Solve for x
    x = 15,886,130,516,302.72/5,515,210.56
  6. Step 6: Final answer
    x = 2,880,421.40

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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.